Enteric protozoa in the developed world: A public health perspective

Clinical Microbiology Reviews

Volumn 25, Issue 3, 2012, Pages 420-449

  Fletcher, Stephanie M ^a   Stark, Damien ^b,c,d   Harkness, John ^b,c,d   Ellis, John ^a,b  

^a UNIVERSITY OF TECHNOLOGY SYDNEY   (Australia)

^b UNIVERSITY OF TECHNOLOGY SYDNEY   (Australia)

^c ST VINCENT S HOSPITAL   (Australia)

^d Division of Microbiology   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ALBENDAZOLE; CIPROFLOXACIN; COTRIMOXAZOLE; DIIODOHYDROXYQUIN; DRINKING WATER; FOLINIC ACID; FUMAGILLIN; METRONIDAZOLE; NITAZOXANIDE; PAROMOMYCIN; PYRIMETHAMINE; TETRACYCLINE; TINIDAZOLE;

ABDOMINAL PAIN; AMEBIASIS; BALANTIDIASIS; BLASTOCYSTIS; BLASTOCYSTOSIS; CRYPTOSPORIDIOSIS; CRYPTOSPORIDIUM; CYCLOSPORA CAYETANENSIS; CYCLOSPORIASIS; DEVELOPED COUNTRY; DIARRHEA; DIENTAMOEBA; DIENTAMOEBIASIS; DISEASE TRANSMISSION; DYSENTERY; ENCEPHALITOZOONOSIS; ENTAMOEBA; ENTEROCYTOZOON INFECTION; GIARDIA LAMBLIA; GIARDIASIS; HUMAN; INTESTINE INFECTION; ISOSPORA BELLI; ISOSPORIASIS; LIVER ABSCESS; LIVER AMEBIASIS; MALABSORPTION; MICROSPORIDIOSIS; NONHUMAN; PROTOZOAL INFECTION; QUALITY CONTROL; REVIEW; SEWAGE; SINGLE DRUG DOSE; WASTE WATER; WASTE WATER MANAGEMENT; WATER ANALYSIS; WATER SUPPLY;

CLIMATE; COMMUNICABLE DISEASE CONTROL; CRYPTOSPORIDIUM; CYCLOSPORA; DEVELOPED COUNTRIES; DISEASE TRANSMISSION, INFECTIOUS; ENTAMOEBA; GIARDIA; HEALTH PROMOTION; HUMANS; PREVALENCE; PROTOZOAN INFECTIONS; PUBLIC HEALTH;

PROTOZOA;

EID: 84863707128     PISSN: 08938512     EISSN: 10986618     Source Type: Journal    
DOI: 10.1128/CMR.05038-11     Document Type: Review

References (485)

1. Abreu-Acosta N, et al. 2005. Enterocytozoon bieneusi (microsporidia) in clinical samples from immunocompetent individuals in Tenerife, Canary Islands, Spain. Trans. R. Soc. Trop. Med. Hyg. 99:848-855.
2. Agnamey P, Djeddi D, Oukachbi Z, Totet A, Raccurt CP. 2010. Cryptosporidium hominis and Isospora belli diarrhea in travelers returning from West Africa. J. Travel Med. 17:141-142.
3. Agnamey P, et al. 2011. Evaluation of four commercial rapid immunochromatographic assays for detection of Cryptosporidium antigens in stool samples: a blind multicenter trial. J. Clin. Microbiol. 49:1605-1607.
4. Ahmed W, Gardner T, Toze S. 2011. Microbiological quality of roof-harvested rainwater and health risks: a review. J. Environ. Qual. 40:13-21.
5. Ahmed W, Vieritz A, Goonetilleke A, Gardner T. 2010. Health risk from the use of roof-harvested rainwater in Southeast Queensland, Australia, as potable or nonpotable water, determined using quantitative microbial risk assessment. Appl. Environ. Microbiol. 76:7382-7391.
6. Aikawa NE, et al. 2011. Intestinal microsporidiosis: a hidden risk in rheumatic disease patients undergoing anti-tumor necrosis factor therapy combined with disease-modifying anti-rheumatic drugs? Clinics 66: 1171-1175.
7. Ali IKM, Clark CG, Petri WA Jr. 2008. Molecular epidemiology of amebiasis. Infect. Genet. Evol. 8:698-707.
8. Aliaga-Leyton A, et al. 2011. An observational study on the prevalence and impact of Isospora suis in suckling piglets in southwestern Ontario, and risk factors for shedding oocysts. Can. Vet. J. 52:184-188.
9. Alonso JL, Amorós I, Cañigral I. 2011. Development and evaluation of a real-time PCR assay for quantification of Giardia and Cryptosporidium in sewage samples Appl. Microbiol. Biotechnol. 89:1203-1211.
10. Alum A, Rubino JR, Ijaz MK. 2010. The global war against intestinal parasites-should we use a holistic approach? Int. J. Infect. Dis. 14:e732-e738.
11. Amar C, et al. 2007. Detection by PCR of eight groups of enteric pathogens in 4,627 faecal samples: re-examination of the English case-control Infectious Intestinal Disease Study (1993-1996). Eur. J. Clin. Microbiol. Infect. Dis. 26:311-323.
12. Amin OM. 1998. Seasonal prevalence and host relationships of Cyclospora cayetanensis in North America during 1996. Parasitol. Int. 47:53-58.
13. Anane S, Attouchi H. 2010. Microsporidiosis: epidemiology, clinical data and therapy. Gastroenterol. Clin. Biol. 34:450-464.
14. Anaya-Velazquez F, Padilla-Vaca F. 2011. Virulence of Entamoeba histolytica: a challenge for human health research. Future Microbiol. 6:255-258.
15. Anderson KA, et al. 2004. Impact of Giardia vaccination on asymptomatic Giardia infections in dogs at a research facility. Can. Vet. J. 45:924-930.
16. Areeshi M, et al. 2008. Cryptosporidium species causing acute diarrhea in children in Antananarivo, Madagascar. Ann. Trop. Med. Parasitol. 102:309-315.
17. Armson A, et al. 2009. Giardia genotypes in pigs in Western Australia: prevalence and association with diarrhea. Exp. Parasitol. 121:381-383.
18. Ashbolt NJ, Grabow WOK, Snozzi M. 2001. Indicators of microbial water quality, p 289-316. In Fewtrell L, Bartram J (ed), Water quality: guidelines, standards and health. IWAPublishing, London, United Kingdom.
19. Ashley DVM, Walters C, Dockery-Brown C, McNab A, Ashley DEC. 2004. Interventions to prevent and control food-borne diseases associated with a reduction in traveler's diarrhea in tourists to Jamaica. J. Travel Med. 11:364-369.
20. Assavasilavasukul P, Lau BLT, Harrington GW, Hoffman RM, Borchardt MA. 2008. Effect of pathogen concentrations on removal of Cryptosporidium and Giardia by conventional drinking water treatment. Water Res. 42:2678-2690.
21. Bakheit MA, et al. 2008. Sensitive and specific detection of Cryptosporidium species in PCR-negative samples by loop-mediated isothermal DNA amplification and confirmation of generated LAMP products by sequencing. Vet. Parasitol. 158:11-22.
22. Banik GR, et al. 2011. A case-controlled study of Dientamoeba fragilis infections in children. Parasitology 138:819-823.
23. Barceló D, Petrovic M, Fuerhacker M, Haile T. 2011. Treatment and reuse of sludge, p 63-92. In Waste water treatment and reuse in the Mediterranean region, vol 14. Springer, Berlin, Germany.
24. Barnes GL, Uren E, Stevens KB, Bishop RF. 1998. Etiology of acute gastroenteritis in hospitalized children in Melbourne, Australia, from April 1980 to March 1993. J. Clin. Microbiol. 36:133-138.
25. Barratt J, Harkness J, Marriott D, Ellis J, Stark D. 2011. The ambiguous life of Dientamoeba fragilis: the need to investigate current hypotheses on transmission. Parasitology 138:557-572.
26. Barratt J, Harkness J, Marriott D, Ellis J, Stark D. 2011. A review of Dientamoeba fragilis carriage in humans: several reasons why this organism should be considered in the diagnosis of gastrointestinal illness. Gut Microbes 2:3-12.
27. Barratt JLN, et al. 2010. Newly defined conditions for the in vitro cultivation and cryopreservation of Dientamoeba fragilis: new techniques set to fast track molecular studies on this organism. Parasitology 137:1867-1878.
28. Bean C, et al. 2007. Class B alkaline stabilization to achieve pathogen inactivation. Int. J. Environ. Res. Public Health 4:53-60.
29. Bern C, et al. 2005. The epidemiology of intestinal microsporidiosis in patients with HIV/AIDS in Lima, Peru. J. Infect. Dis. 191:1658-1664.
30. Betancourt WQ, Rose JB. 2004. Drinking water treatment processes for removal of Cryptosporidium and Giardia. Vet. Parasitol. 126:219-234.
31. Björkman C, Svensson C, Christensson B, de Verdier K. 2003. Cryptosporidium parvum and Giardia intestinalis in calf diarrhoea in Sweden. Acta Vet. Scand. 44:145-152.
32. Boorom K, et al. 2008. Oh my aching gut: irritable bowel syndrome, Blastocystis, and asymptomatic infection. Parasit. Vectors 1:40. doi:10.1186/1756-3305-1-40.
33. Boreham PFL, Upcroft JA, Upcroft P. 1990. Changing approaches to the study of Giardia epidemiology: 1681-2000. Int. J. Parasitol. 20:479-487.
34. Bridge J, et al. 2010. Engaging with the water sector for public health benefits: waterborne pathogens and diseases in developed countries. Bull. World Health Organ. 88:873.
35. Britton E, Hales S, Venugopal K, Baker MG. 2010. Positive association between ambient temperature and salmonellosis notifications in New Zealand, 1965-2006. Aust. N. Zeal. J. Public Health 34:126-129.
36. Bumb R, Mehta R. 2006. Amoebiasis cutis in HIV positive patient. Indian J. Dermatol. Venereol. Leprol. 72:224-226.
37. Busatti HG, Santos JF, Gomes MA. 2009. The old and new therapeutic approaches to the treatment of giardiasis: where are we? Biologics 3:273-287.
38. Buzby JC, Roberts T. 2009. The economics of enteric infections: human foodborne disease costs. Gastroenterology 136:1851-1862.
39. Cabada MM, White ACJ. 2010. Treatment of cryptosporidiosis: do we know what we think we know? Curr. Opin. Infect. Dis. 23:494-499.
40. Cacciò SM, Ryan U. 2008. Molecular epidemiology of giardiasis. Mol. Biochem. Parasitol. 160:75-80.
41. Calderaro A, et al. 2006. Entamoeba histolytica and Entamoeba dispar: comparison of two PCR assays for diagnosis in a non-endemic setting. Trans. R. Soc. Trop. Med. Hyg. 100:450-457.
42. Cama V, Ortega YR. 2006. Coccidian parasites: Cyclospora cayetanensis, Isospora belli, Sarcocystis hominis/suihominis, p 33-55. In Ortega YR (ed), Foodborne parasites. Springer, New York, NY.
43. Carey CM, Lee H, Trevors JT. 2004. Biology, persistence and detection of Cryptosporidium parvum and Cryptosporidium hominis oocyst. Water Res. 38:818-862.
44. Carlin EP, Bowman DD, Scarlett JM. 2006. Prevalence of Giardia in symptomatic dogs and cats in the United States. Vet. Ther. 7:199-206.
45. nd ed. Formatex Research Center, Badajoz, Spain.
46. Carmena D, Aguinagalde X, Zigorraga C, Fernández-Crespo JC, Ocio JA. 2007. Presence of Giardia cysts and Cryptosporidium oocysts in drinking water supplies in northern Spain. J. Appl. Microbiol. 102:619-629.
47. Carvalho-Costa FA, et al. 2007. Detection of Cryptosporidium spp and other intestinal parasites in children with acute diarrhea and severe dehydration in Rio de Janeiro. Rev. Soc. Bras. Med. Trop. 40:346-348.
48. Castro-Hermida JA, García-Presedo I, González-Warleta M, Mezo M. 2010. Cryptosporidium and Giardia detection in water bodies of Galicia, Spain. Water Res. 44:5887-5896.
49. CDC. 2010. Laboratory diagnosis of amebiasis: Entamoeba histolytica and Entamoeba dispar. CDC, Atlanta, GA.
50. Certad G, et al. 2010. Fulminant cryptosporidiosis associated with digestive adenocarcinoma in SCID mice infected with Cryptosporidium parvum TUM1 strain. Int. J. Parasitol. 40:1469-1475.
51. Certad G, et al. 2010. Development of Cryptosporidium parvuminduced gastrointestinal neoplasia in severe combined immunodeficiency (SCID) mice: severity of lesions is correlated with infection intensity. Am. J. Trop. Med. Hyg. 82:257-265.
52. Certad G, et al. 2007. Cryptosporidium parvum, a potential cause of colic adenocarcinoma. Infect. Agents Cancer 2:22.
53. Chacín-Bonilla L. 2010. Epidemiology of Cyclospora cayetanensis: a review focusing in endemic areas. Acta Trop. 115:181-193.
54. Chacín-Bonilla L. 2008. Transmission of Cyclospora cayetanensis infection: a review focusing on soil-borne cyclosporiasis. Trans. R. Soc. Trop. Med. Hyg. 102:215-216.
55. Chalmers R, Smith R, Hadfield S, Elwin K, Giles M. 2011. Zoonotic linkage and variation in Cryptosporidium parvum from patients in the United Kingdom. Parasitol. Res. 108:1321-1325.
56. Chalmers RM, Campbell BM, Crouch N, Charlett A, Davies AP. 2011. Comparison of diagnostic sensitivity and specificity of seven Cryptosporidium assays used in the UK. J. Med. Microbiol. 60:1598-1604.
57. Chalmers RM, Davies AP. 2010. Clinical cryptosporidiosis. Exp. Parasitol. 124:138-146.
58. Champion L, et al. 2010. Fumagillin for treatment of intestinal microsporidiosis in renal transplant recipients. Am. J. Transplant. 10:1925-1930.
59. Charron DF, et al. 2004. Vulnerability of waterborne diseases to climate change in Canada: a review. J. Toxicol. Environ. Health 67:1667-1677.
60. Cheun H-I, et al. 2010. Infection status of hospitalized diarrheal patients with gastrointestinal protozoa, bacteria, and viruses in the Republic of Korea. Korean J. Parasitol. 48:113-120.
61. Chomel B, Sun B. 2011. Zoonoses in the bedroom. Emerg. Infect. Dis. 17:167-172.
62. Chou W-C, et al. 2010. Modeling the impact of climate variability on diarrhea-associated diseases in Taiwan (1996-2007). Sci. Total Environ. 409:43-51.
63. Clarke S. 2011. Reducing the public health risk of cryptosporidiosis by optimizing treatment processes at a military water system. U.S. Army Med. Dep. J. Jul-Sep:50-61.
64. Coffey R, Bergin D, Cummins E. 2010. Use of meta-analysis to assess the effect of conventional water treatment methods on the prevalence of Cryptosporidium spp. in drinking water. Human Ecol. Risk Assess. 16: 1360-1378.
65. Coklin T, Farber J, Parrington L, Dixon B. 2007. Prevalence and molecular characterization of Giardia duodenalis and Cryptosporidium spp. in dairy cattle in Ontario, Canada. Vet. Parasitol. 150:297-305.
66. Collier SA, et al. 2011. Cryptosporidiosis outbreak at a summer camp- North Carolina, 2009. MMWR Morb. Mortal. Wkly. Rep. 60:918-922.
67. Collignon PJ. 2009. Water recycling-forwards or backwards for public health? Med. J. Aust. 191:238-239.
68. Collin C. 2009. Biosand filtration of high turbidity water: modified filter design and safe filtrate storage. Massachusetts Institute of Technology, Cambridge, MA.
69. Corradi N, Keeling PJ. 2009. Microsporidia: a journey through radical taxonomical revisions. Fungal Biol. Rev. 23:1-8.
70. Costello A, et al. 2009. Managing the health effects of climate change. Lancet 373:1693-1733.
71. Coyle CM, Varughese J, Weiss LM, Tanowitz HB. 2012. Blastocystis: to treat or not to treat. Clin. Infect. Dis. 54:105-110.
72. Craun GF, et al. 2010. Causes of outbreaks associated with drinking water in the United States from 1971 to 2006. Clin. Microbiol. Rev. 23: 507-528.
73. Cretikos M, Telfer B, McAnulty J. 2008. Evaluation of the system of surveillance for enteric disease outbreaks, New South Wales, Australia, 2000 to 2005. N. S. W. Public Health Bull. 19:8-14.
74. Creusy C, Certad G, Guyot K, Dei-Cas E. 2008. Parasites and oncogenesis with a special reference to gastro-intestinal neoplasia induced by Cryptosporidium parvum, p 381-388. In Magni MV (ed), Detection of bacteria, viruses, parasites and fungi: bioterrorism prevention. Springer, Dordrecht, The Netherlands.
75. Cummins E, Kennedy R, Cormican M. 2010. Quantitative risk assessment of Cryptosporidium in tap water in Ireland. Sci. Total Environ. 408:740-753.
76. Current WL, et al. 1983. Human cryptosporidiosis in immunocompetent and immunodeficient persons. N. Engl. J. Med. 308:1252-1257.
77. Curriero FC, Patz JA, Rose JB, Lele S. 2001. The association between extreme precipitation and waterborne disease outbreaks in the United States, 1948-1994. Am. J. Public Health 91:1194-1199.
78. Curry A, Canning EU. 1993. Human microsporidiosis. J. Infect. 27: 229-236.
79. Dawson D. 2005. Foodborne protozoan parasites. Int. J. Food Microbiol. 103:207-227.
80. Demirci M, Delibas N, Altuntas I, Oktem F, Yönden Z. 2003. Serum iron, zinc and copper levels and lipid peroxidation in children with chronic giardiasis. J. Health Popul. Nutr. 21:72-75.
81. Dengjel B, et al. 2001. Zoonotic potential of Enterocytozoon bieneusi. J. Clin. Microbiol. 39:4495-4499.
82. Denoeud F, et al. 2011. Genome sequence of the stramenopile Blastocystis, a human anaerobic parasite. Genome Biol. 12:R29. doi:10.1186/gb-2011-12-3-r29.
83. Derouin F, Lagrange-Xelot M. 2008. Treatment of parasitic diarrhea in HIV-infected patients. Expert Rev. Anti Infect. 6:337-349.
84. de Wit M, et al. 2001. Gastroenteritis in sentinel general practices, The Netherlands. Emerg. Infect. Dis. 7:82-91.
85. de Wit M, et al. 2001. Etiology of gastroenteritis in sentinel general practices, The Netherlands. Clin. Infect. Dis. 33:280-288.
86. Didier ES. 2005. Microsporidiosis: an emerging and opportunistic infection in humans and animals. Acta Trop. 94:61-76.
87. Didier ES, Weiss LM. 2011. Microsporidiosis: not just in AIDS patients. Curr. Opin. Infect. Dis. 24:490-495.
88. Didier ES, Weiss LM. 2008. Overview of microsporidia and microsporidiosis. Protistology 5:243-255.
89. Dixon B, et al. 2011. The potential for zoonotic transmission of Giardia duodenalis and Cryptosporidium spp. from beef and dairy cattle in Ontario, Canada. Vet. Parasitol. 175:20-26.
90. Dogruman-Al F, et al. 2009. Blastocystis subtypes in irritable bowel syndrome and inflammatory bowel disease in Ankara, Turkey. Mem. Inst. Oswaldo Cruz 104:724-727.
91. Dogruman-Al F, et al. 2010. Comparison of methods for detection of Blastocystis infection in routinely submitted stool samples, and also in IBS/IBD patients in Ankara, Turkey. PLoS One 5:e15484. doi:10.1371/journal.pone.0015484.
92. Döller PC, et al. 2002. Cyclosporiasis outbreak in Germany associated with the consumption of salad. Emerg. Infect. Dis. 8:992-994.
93. Dong J, Olano JP, McBride JW, Walker DH. 2008. Emerging pathogens: challenges and successes of molecular diagnostics. J. Mol. Diagn. 10:185-197.
94. Dorny P, Praet N, Deckers N, Gabriel S. 2009. Emerging food-borne parasites. Vet. Parasitol. 163:196-206.
95. Duffy G, Lynch OA, Cagney C. 2008. Tracking emerging zoonotic pathogens from farm to fork. Meat Sci. 78:34-42.
96. Dworkin MS, et al. 2007. Prevalence of intestinal microsporidiosis in human immunodeficiency virus-infected patients with diarrhea in major United States cities. Rev. Inst. Med. Trop. Sao Paulo 49:339-342.
97. Ebi K. 2008. Adaptation costs for climate change-related cases of diarrhoeal disease, malnutrition, and malaria in 2030. Global Health 4:9. doi:10.1186/1744-8603-4-9.
98. Ebi K. 2008. Healthy people 2100: modeling population health impacts of climate change. Climatic Change 88:5-19.
99. Ebi KL, Paulson JA. 2010. Climate change and child health in the United States. Curr. Probl. Pediatr. Adolesc. Health Care 40:2-18.
100. Edvinsson B, Lappalainen M, Anttila V-J, Paetau A, Evengård B. 2009. Toxoplasmosis in immunocompromized patients. Scand. J. Infect. Dis. 41:368-371.
101. Egyed Z, Sréter T, Széll Z, Varga I. 2003. Characterization of Cryptosporidium spp.-recent developments and future needs. Vet. Parasitol. 111:103-114.
102. El-Moamly AA, El-Sweify MA. 2012. Immuno Card STAT! cartridge antigen detection assay compared to microplate enzyme immunoassay and modified Kinyoun's acid-fast staining technique for detection of Cryptosporidium in fecal specimens. Parasitol. Res. 110:1037-1041.
103. Environment Protection and Heritage Council, National Health and Medical Research Council, and Natural Resource Management Ministerial Council. 2008. Australian guidelines for water recycling: managing health and environmental risks (phase 2). Stormwater harvesting and reuse. Biotext, Canberra, Australia.
104. Environment Protection Authority. 2000. Environmental guidelines: use and disposal of biosolids products. EPA guideline 97/62. Environment Protection Authority, Sydney, NSW, Australia.
105. Environmental Protection Agency. 1993. 40 CFR parts 257, 403, 503. Standards for use or disposal of sewage sludge, vol 58. FR 9248. Office of Water, Washington, DC.
106. Environmental Protection Agency. 2005. Method 1623: Cryptosporidium and Giardia in water by filtration/IMS/FA. Office of Water, Washington, DC.
107. Erickson MC, Ortega YR. 2006. Inactivation of protozoan parasites in food, water, and environmental systems. J. Food Prot. 69:2786-2808.
108. ESCCAP (ed). 2011. Control of intestinal protozoa in dogs and cats. Guideline no. 6. ESCCAP, Worcestershire, United Kingdom.
109. Escobedo AA, et al. 2009. Treatment of intestinal protozoan infections in children. Arch. Dis. Child. 94:478-482.
110. Escobedo AA, et al. 2010. Giardiasis: the ever-present threat of a neglected disease. Infect. Disord. Drug Targets 10:329-348.
111. Esteban J, Aguirre C, Angles R, Ash L, Mas-Coma S. 1998. Balantidiasis in Aymara children from the northern Bolivian Altiplano. Am. J. Trop. Med. Hyg. 59:922-927.
112. European Environment Agency. 1986. Council directive 86/278/EEC of 12 June 1986 on the protection of the environment, and in particular of the soil, when sewage sludge is used in agriculture. European Environment Agency, Copenhagen, Denmark.
113. FAO and WHO. 2008. Microbiological hazards associated with fresh produce. Food and Agriculture Organization of the United Nations and World Health Organization, Geneva, Switzerland.
114. Farthing MJG, Kelly P. 2005. Protozoal gastrointestinal infections. Medicine 33:81-83.
115. Fayer R, Dubey JP, Lindsay DS. 2004. Zoonotic protozoa: from land to sea. Trends Parasitol. 20:531-536.
116. Fayer R, Morgan U, Upton SJ. 2000. Epidemiology of Cryptosporidium: transmission, detection and identification. Int. J. Parasitol. 30: 1305-1322.
117. Feasey NA, Healey P, Gordon MA. 2011. Review article: the aetiology, investigation and management of diarrhoea in the HIV-positive patient. Aliment. Pharmacol. Ther. 34:587-603.
118. Feng Y, Xiao L. 2011. Zoonotic potential and molecular epidemiology of Giardia species and giardiasis. Clin. Microbiol. Rev. 24:110-140.
119. Ferreira CS, Amato Neto V, Alarcan RSR, Gakiya E. 2001. Identification of Cryptosporidium spp. oocysts in fecal smears stained with Heidenhain's iron hematoxylin. Rev. Inst. Med. Trop. Sao Paulo 43: 341-342.
120. Ferry T, et al. 2004. Severe peritonitis due to Balantidium coli acquired in France. Eur. J. Clin. Microbiol. Infect. Dis. 23:393-395.
121. Field KG, Samadpour M. 2007. Fecal source tracking, the indicator paradigm, and managing water quality. Water Res. 41:3517-3538.
122. Field V, et al. 2010. Travel and migration associated infectious diseases morbidity in Europe, 2008. BMC Infect. Dis. 10:330. doi:10.1186/1471-2334-10-330.
123. Figueras MJ, Borrego JJ. 2010. New perspectives in monitoring drinking water microbial quality. Int. J. Environ. Res. Public Health 7:4179-4202.
124. Reference deleted.
125. Fletcher SM, Maharaj SR, James K. 2009. Description of the food safety system in hotels and how it compares with HACCP standards. J. Travel Med. 16:35-41.
126. Fletcher SM, Stark D, Ellis J. 2011. Prevalence of gastrointestinal pathogens in sub-Saharan Africa. Systematic review and meta-analysis. J. Public Health Afr. 2:127-137.
127. Fletcher SM, Stark D, Ellis J, Harkness J. 2010. Etiology of gastrointestinal illness in patients in Sydney. 74th Annu. Educ. Conf. Exhib. 2010, 6 to 9 June 2010, Denver, CO.
128. Fleury MD, Stratton J, Tinga C, Charron DF, Aramini J. 2008. A descriptive analysis of hospitalization due to acute gastrointestinal illness in Canada, 1995-2004. Can. J. Public Health 99:489-493.
129. Ford A, Duke T, Campbell H. 2009. Evidence behind the WHO guidelines: hospital care for children. What is the aetiology and treatment of chronic diarrhoea in children with HIV? J. Trop. Pediatr. 55:349-355.
130. Foronda P, et al. 2008. Identification of genotypes of Giardia intestinalis of human isolates in Egypt. Parasitol. Res. 103:1177-1181.
131. Fotedar R, et al. 2007. Laboratory diagnostic techniques for Entamoeba species. Clin. Microbiol. Rev. 20:511-532.
132. Fotedar R, Stark DJ, Marriott DJ, Ellis JT, Harkness JL. 2008. Entamoeba moshkovskii infections in Sydney, Australia. Eur. J. Clin. Microbiol. Infect. Dis. 27:133-137.
133. Fox LM, Saravolatz LD. 2005. Nitazoxanide: a new thiazolide antiparasitic agent. Clin. Infect. Dis. 40:1173-1180.
134. Franzen O, et al. 2009. Draft genome sequencing of Giardia intestinalis assemblage B isolate GS: is human giardiasis caused by two different species? PLoS Pathog. 5:e1000560. doi:10.1371/journal.ppat.1000560.
135. Gallay A, et al. 2006. A large multi-pathogen waterborne community outbreak linked to faecal contamination of a groundwater system, France, 2000. Clin. Microbiol. Infect. 12:561-570.
136. Galvan AL, et al. 2011. First cases of microsporidiosis in transplant recipients in Spain and review of the literature. J. Clin. Microbiol. 49: 1301-1306.
137. Garcia LS. 1994. Diagnostic medical parasitology: an update. Clin. Microbiol. Newsl. 16:105-110.
138. Garcia LS, Bruckner DA, Brewer TC, Shimizu RY. 1983. Techniques for the recovery and identification of Cryptosporidium oocysts from stool specimens. J. Clin. Microbiol. 18:185-190.
139. Garcia LS, Shimizu RY. 1997. Evaluation of nine immunoassay kits (enzyme immunoassay and direct fluorescence) for detection of Giardia lamblia and Cryptosporidium parvum in human fecal specimens. J. Clin. Microbiol. 35:1526-1529.
140. Garcia LS, Shimizu RY, Bernard CN. 2000. Detection of Giardia lamblia, Entamoeba histolytica/Entamoeba dispar, and Cryptosporidium parvum antigens in human fecal specimens using the Triage parasite panel enzyme immunoassay. J. Clin. Microbiol. 38:3337-3340.
141. Garcia LS, Shimizu RY, Novak S, Carroll M, Chan F. 2003. Commercial assay for detection of Giardia lamblia and Cryptosporidium parvum antigens in human fecal specimens by rapid solid-phase qualitative immunochromatography. J. Clin. Microbiol. 41:209-212.
142. Gerba C, Pepper I, Whitehead L. 2002. A risk assessment of emerging pathogens of concern in the land application of biosolids. Water Sci. Technol. 46:225-230.
143. Gerba C, Tamimi A, Pettigrew C, Weisbrod A, Rajagopalan V. 2011. Sources of microbial pathogens in municipal solid waste landfills in the United States of America. Waste Manag Res. 29:781-790.
144. Germani Y, et al. 1994. Two-year study of endemic enteric pathogens associated with acute diarrhea in New Caledonia. J. Clin. Microbiol. 32: 1532-1536.
145. Geurden T, et al. 2009. Multilocus genotyping of Cryptosporidium and Giardia in non-outbreak related cases of diarrhoea in human patients in Belgium. Parasitology 136:1161-1168.
146. Giangaspero A, Berrilli F, Brandonisio O. 2007. Giardia and Cryptosporidium and public health: the epidemiological scenario from the Italian perspective. Parasitol. Res. 101:1169-1182.
147. Giangaspero A, et al. 2009. Giardia and Cryptosporidium in inflowing water and harvested shellfish in a lagoon in Southern Italy. Parasitol. Int. 58:12-17.
148. Giangaspero A, et al. 2005. Cryptosporidium parvum oocysts in seawater clams (Chamelea gallina) in Italy. Prev. Vet. Med. 69:203-212.
149. Gilbert D, Moellering R, Eliopoulos G, Sande M (ed). 2009. The Sanford guide to antimicrobial therapy. Antimicrobial Therapy, Inc., Sperryville, VA.
150. Gill EE, Fast NM. 2006. Assessing the microsporidia-fungi relationship: combined phylogenetic analysis of eight genes. Gene 375:103-109.
151. Gill ON. 1997. Cyclosporiasis in Europe: underdiagnosed or simply not a problem? Euro Surveill. 1:1061.
152. Girginkardeşler N, et al. 2003. Dientamoeba fragilis, a neglected cause of diarrhea, successfully treated with secnidazole. Clin. Microbiol. Infect. 9:110-113.
153. Girginkardesler N, et al. 2008. Transmission of Dientamoeba fragilis: evaluation of the role of Enterobius vermicularis. Parasitol. Int. 57:72-75.
154. Girones R, et al. 2010. Molecular detection of pathogens in water-the pros and cons of molecular techniques. Water Res. 44:4325-4339.
155. Godfree A, Farrell J. 2005. Processes for managing pathogens. J. Environ. Qual. 34:105-113.
156. Goodgame R. 2003. Emerging causes of traveler's diarrhea: Cryptosporidium, Cyclospora, Isospora, and Microsporidia. Curr. Infect. Dis. Rep. 5:66-73.
157. Goodgame RW. 1996. Understanding intestinal spore-forming protozoa: Cryptosporidia, Microsporidia, Isospora, and Cyclospora. Ann. Intern. Med. 124:429-441.
158. Graczyk TK, Cranfield MR, Fayer R. 1996. Evaluation of commercial enzyme immunoassay (EIA) and immunofluorescent antibody (IFA) test kits for detection of Cryptosporidium oocysts of species other than Cryptosporidium parvum. Am. J. Trop. Med. Hyg. 54:274-279.
159. Graczyk TK, et al. 2008. Occurrence of Cryptosporidium and Giardia in sewage sludge and solid waste landfill leachate and quantitative comparative analysis of sanitization treatments on pathogen inactivation. Environ. Res. 106:27-33.
160. Graczyk TK, Knight R, Tamang L. 2005. Mechanical transmission of human protozoan parasites by insects. Clin. Microbiol. Rev. 18:128-132.
161. Gregory R. 2002. Bench-marking pool water treatment for coping with Cryptosporidium. J. Environ. Health Res. 1:11-19.
162. Greig JD, Ravel A. 2009. Analysis of foodborne outbreak data reported internationally for source attribution. Int. J. Food Microbiol. 130:77-87.
163. Gruz F, et al. 2010. Isospora belli infection after isolated intestinal transplant. Transpl. Infect. Dis. 12:69-72.
164. Gualdieri L, et al. 2011. Intestinal parasites in immigrants in the city of Naples (southern Italy). Acta Trop. 117:196-201.
165. Guk S-M, et al. 2005. Parasitic infections in HIV-infected patients who visited Seoul National University Hospital during the period 1995-2003. Korean J. Parasitol. 43:1-5.
166. Gunnarsdottir MJ, Gissurarson LR. 2008. HACCP and water safety plans in Icelandic water supply: preliminary evaluation of experience. J. Water Health 6:377-382.
167. Gutiérrez-Cisneros MJ, et al. 2010. Application of real-time PCR for the differentiation of Entamoeba histolytica and E. dispar in cyst-positive faecal samples from 130 immigrants living in Spain. Ann. Trop. Med. Parasitol. 104:145-149.
168. Hadfield SJ, Robinson G, Elwin K, Chalmers RM. 2011. Detection and differentiation of Cryptosporidium spp. in human clinical samples by use of real-time PCR. J. Clin. Microbiol. 49:918-924.
169. Haghighi A, Kobayashi S, Takeuchi T, Masuda G, Nozaki T. 2002. Remarkable genetic polymorphism among Entamoeba histolytica isolates from a limited geographic area. J. Clin. Microbiol. 40:4081-4090.
170. Hajdu A, et al. 2008. Investigation of Swedish cases reveals an outbreak of cryptosporidiosis at a Norwegian hotel with possible links to in-house water systems. BMC Infect. Dis. 8:152. doi:10.1186/1471-2334-8-152.
171. Hall G, Vally H, Kirk M, Kris H. 2008. Foodborne illnesses: overview, p 638-653. In International encyclopedia of public health. Academic Press, Oxford, United Kingdom.
172. Hall GV, D'Souza RM, Kirk MD. 2002. Foodborne disease in the new millennium: out of the frying pan and into the fire? Med. J. Aust. 177: 614-618.
173. Hall R, Jones J, Herwaldt B. 2008. Surveillance for laboratory-confirmed sporadic cases of cyclosporiasis-United States, 1997-2008. MMWR Surveill. Summ. 60:1-11.
174. Hamano S, Petri WA Jr, Kris H. 2008. Protozoan diseases: amebiasis, p 335-341. In International encyclopedia of public health. Academic Press, Oxford, United Kingdom.
175. Hamer DH, Gorbach SL, Kris H. 2008. Intestinal infections: overview, p 683-695. In International encyclopedia of public health. Academic Press, Oxford, United Kingdom.
176. Hanevik K, Dizdar V, Langeland N, Hausken T. 2009. Development of functional gastrointestinal disorders after Giardia lamblia infection. BMC Gastroenterol. 9:27. doi:10.1186/1471-230X-9-27.
177. Haque R, Ali IKM, Akther S, Petri WA. 1998. Comparison of PCR, isoenzyme analysis, and antigen detection for diagnosis of Entamoeba histolytica infection. J. Clin. Microbiol. 36:449-452.
178. Haque R, et al. 2003. Epidemiologic and clinical characteristics of acute diarrhoea with emphasis on Entamoeba histolytica infections in preschool children in an urban slum of Dhaka, Bangladesh. Am. J. Trop. Med. Hyg. 69:398-405.
179. Haque R, Neville LM, Hahn P, Petri WA. 1995. Rapid diagnosis of Entamoeba infection by using Entamoeba and Entamoeba histolytica stool antigen detection kits. J. Clin. Microbiol. 33:2558-2561.
180. Haque R, et al. 2007. Multiplex real-time PCR assay for detection of Entamoeba histolytica, Giardia intestinalis, and Cryptosporidium spp. Am. J. Trop. Med. Hyg. 76:713-717.
181. Harper S, Edge V, Schuster-Wallace C, Berke O, McEwen S. 2011. Weather, water quality and infectious gastrointestinal illness in two Inuit communities in Nunatsiavut, Canada: potential implications for climate change. EcoHealth 2011:1-16.
182. Hashizume M, et al. 2007. Association between climate variability and hospital visits for non-cholera diarrhoea in Bangladesh: effects and vulnerable groups. Int. J. Epidemiol. 36:1030-1037.
183. Havelaar AH, et al. 2010. Future challenges to microbial food safety. Int. J. Food Microbiol. 139(Suppl 1):S79-S94.
184. Hellard ME, Sinclair MI, Harris AH, Kirk M, Fairley CK. 2003. Cost of community gastroenteritis. J. Gastroenterol. Hepatol. 18:322-328.
185. Helmreich B, Horn H. 2009. Opportunities in rainwater harvesting. Desalination 248:118-124.
186. Henriques-Gil N, Haro M, Izquierdo F, Fenoy S, Del Aguila C. 2010. Phylogenetic approach to the variability of the microsporidian Enterocytozoon bieneusi and its implications for inter- and intrahost transmission. Appl. Environ. Microbiol. 76:3333-3342.
187. Hlavsa MC, Watson JC, Beach MJ. 2005. Cryptosporidiosis surveillance- United States, 1999-2002. MMWR Morb. Mortal. Wkly. Rep. 54:1-8.
188. Hlavsa MC, Watson JC, Beach MJ. 2005. Giardiasis surveillance-United States, 1998-2002. MMWR Morb. Mortal. Wkly. Rep. 54:9-16.
189. Ho AY, et al. 2002. Outbreak of cyclosporiasis associated with imported raspberries, Philadelphia, Pennsylvania, 2000. Emerg. Infect. Dis. 8:783-788.
190. Horman A, et al. 2004. Campylobacter spp., Giardia spp., Cryptosporidium spp., noroviruses, and indicator organisms in surface water in southwestern Finland, 2000-2001. Appl. Environ. Microbiol. 70:87-95.
191. Hotez P. 2000. The other intestinal protozoa: enteric infections caused by Blastocystis hominis, Entamoeba coli, and Dientamoeba fragilis. Semin. Pediatr. Infect. Dis. 11:178-181.
192. Huh JW, Moon SG, Lim YH. 2009. A survey of intestinal protozoan infections among gastroenteritis patients during a 3-year period (2004-2006) in Gyeonggi-do (Province), South Korea. Korean J. Parasitol. 47: 303-305.
193. Huhulescu S, et al. 2009. Etiology of acute gastroenteritis in three sentinel general practices, Austria 2007. Infection 37:103-108.
194. Hung C-C, et al. 2008. Increased risk for Entamoeba histolytica infection and invasive amebiasis in HIV seropositive men who have sex with men in Taiwan. PLoS Negl. Trop. Dis. 2:e175. doi:10.1371/journal.pntd.0000175.
195. Hunter PR, Pond K, Jagals P, Cameron J. 2009. An assessment of the costs and benefits of interventions aimed at improving rural community water supplies in developed countries. Sci. Total Environ. 407:3681-3685.
196. Hunter PR, Thompson RCA. 2005. The zoonotic transmission of Giardia and Cryptosporidium. Int. J. Parasitol. 35:1181-1190.
197. Imhoff B, et al. 2004. Burden of self-reported acute diarrheal illness in FoodNet surveillance areas, 1998 and 1999. Clin. Infect. Dis. 38:S219-S226.
198. Insulander M, Svenungsson B, Lebbad M, Karlsson L, de Jong B. 2010. A foodborne outbreak of Cyclospora infection in Stockholm, Sweden. Foodborne Pathog. Dis. 7:1585-1587.
199. Iwamoto M, Ayers T, Mahon BE, Swerdlow DL. 2010. Epidemiology of seafood-associated infections in the United States. Clin. Microbiol. Rev. 23:399-411.
200. Izquierdo F, et al. 2011. Detection of microsporidia in drinking water, wastewater and recreational rivers. Water Res. 45:4837-4843.
201. Jackson TFHG. 1998. Entamoeba histolytica and Entamoeba dispar are distinct species; clinical, epidemiological and serological evidence. Int. J. Parasitol. 28:181-186.
202. Jagals C, Jagals P. 2004. Application of HACCP principles as a management tool for monitoring and controlling microbiological hazards in water treatment facilities. Water Sci. Technol. 50:69-76.
203. James R, Barratt J, Marriott D, Harkness J, Stark D. 2010. Seroprevalence of Entamoeba histolytica infection among men who have sex with men in Sydney, Australia. Am. J. Trop. Med. Hyg. 83:914-916.
204. Jansen A, et al. 2008. Aetiology of community-acquired, acute gastroenteritis in hospitalised adults: a prospective cohort study. BMC Infect. Dis. 8:143.
205. Jayalakshmi J, Appalaraju B, Mahadevan K. 2008. Evaluation of an enzyme-linked immunoassay for the detection of Cryptosporidium antigen in fecal specimens of HIV/AIDS patients. Indian J. Pathol. Microbiol. 51:137-138.
206. Jaykus L-A, et al. 2009. Climate change: implications for food safety. FAO, Rome, Italy.
207. Jerlstrom-Hultqvist J, Ankarklev J, Svard SG. 2010. Is human giardiasis caused by two different Giardia species? Gut Microbes 1:379-382.
208. Jernigan J, Guerrant RL, Pearson RD. 1994. Parasitic infections of the small intestine. Gut 35:289-293.
209. Jex AR, Smith HV, Monis PT, Campbell BE, Gasser RB. 2008. Cryptosporidium- biotechnological advances in the detection, diagnosis and analysis of genetic variation. Biotechnol. Adv. 26:304-317.
210. Jex AR, et al. 2012. Detection of diarrhoeal pathogens in human faeces using an automated, robotic platform. Mol. Cell. Probes 26:11-15.
211. Jimenez-Gonzalez D, et al. 2012. Blastocystis infection is associated with irritable bowel syndrome in a Mexican patient population. Parasitol. Res. 110:1269-1275.
212. Johnson J, Samarasinghe B, Buddle R, Armson A, Ryan U. 2008. Molecular identification and prevalence of Isospora sp. in pigs in Western Australia using a PCR-RFLP assay. Exp. Parasitol. 120:191-193.
213. Johnston AR, et al. 2010. Molecular epidemiology of cross-species Giardia duodenalis transmission in western Uganda. PLoS Negl. Trop. Dis. 4:e683. doi:10.1371/journal.pntd.0000683.
214. Johnston SP, Ballard MM, Beach MJ, Causer L, Wilkins PP. 2003. Evaluation of three commercial assays for detection of Giardia and Cryptosporidium organisms in fecal specimens. J. Clin. Microbiol. 41:623-626.
215. Jokipii L, Pohjola S, Jokipii AMM. 1983. Cryptosporidium: a frequent finding in patients with gastrointestinal symptoms. Lancet 322:358-361.
216. Jones M, Whipps C, Ganac R, Hudson N, Boroom K. 2009. Association of Blastocystis subtype 3 and 1 with patients from an Oregon community presenting with chronic gastrointestinal illness. Parasitol. Res. 104:341-345.
217. Jones P, Martin M. 2003. The occurrence and survival of pathogens of animals and humans in green compost. Institute for Animal Health, Waste and Resources Action Program, Banbury, Oxon, United Kingdom.
218. Kappagoda S, Singh U, Blackburn B. 2011. Antiparasitic therapy. Mayo Clin. Proc. 86:561-583.
219. Karanis P, Kourenti C, Smith H. 2007. Waterborne transmission of protozoan parasites: a worldwide review of outbreaks and lessons learnt. J. Water Health 5:1-38.
220. Keller SE. 2009. Microbial contamination of fresh produce, p 25-45. In Intentional and unintentional contaminants in food and feed, vol 1020. American Chemical Society, Washington, DC.
221. Kenner BM, Rosen T. 2006. Cutaneous amebiasis in a child and review of the literature. Pediatr. Dermatol. 23:231-234.
222. Kenny JM, Kelly P. 2009. Protozoal gastrointestinal infections. Medicine 7:599-602.
223. Khaldi S, et al. 2011. Intensive exploitation of a karst aquifer leads to Cryptosporidium water supply contamination. Water Res. 45:2906-2914.
224. Khasnis AA, Nettleman MD. 2005. Global warming and infectious disease. Arch. Med. Res. 36:689-696.
225. Klein E, et al. 2006. Diarrhea etiology in a children's hospital emergency department: a prospective cohort study. Clin. Infect. Dis. 43:807-813.
226. Kniel KE, Shearer AEH, Cascarino JL, Wilkins GC, Jenkins MC. 2007. High hydrostatic pressure and UV light treatment of produce contaminated with Eimeria acervulina as a Cyclospora cayetanensis surrogate. J. Food Prot. 70:2837-2842.
227. Koru O, et al. 2007. Case report: Isospora belli infection in a renal transplant recipent. Turkiye Parazitol. Derg. 31:98-100.
228. Kucerova Z, et al. 2011. Microsporidiosis and cryptosporidiosis in HIV/ AIDS patients in St. Petersburg, Russia: serological identification of microsporidia and Cryptosporidium parvum in sera samples from HIV/ AIDS patients. AIDS Res. Hum. Retroviruses 27:13-15.
229. Lagacé-Wiens PR, VanCaeseele PG, Koschik C. 2006. Dientamoeba fragilis: an emerging role in intestinal disease. CMAJ 175:468-469.
230. Lagrange-Xélot M, et al. 2008. Isosporiasis in patients with HIV infection in the highly active antiretroviral therapy era in France. HIV Med. 9:126-130.
231. Lake IR, et al. 2009. Using infectious intestinal disease surveillance data to explore illness aetiology; a cryptosporidiosis case study. Health Place 15:333-339.
232. Lamps LW. 2010. Entamoeba histolytica, p 169-175. In Surgical pathology of the gastrointestinal system: bacterial, fungal, viral, and parasitic infections. Springer, New York, NY.
233. Lasek-Nesselquist E, Welch DM, Sogin ML. 2010. The identification of a new Giardia duodenalis assemblage in marine vertebrates and a preliminary analysis of G. duodenalis population biology in marine systems. Int. J. Parasitol. 40:1063-1074.
234. Laupland K, Church D. 2005. Population-based laboratory surveillance for Giardia sp. and Cryptosporidium sp. infections in a large Canadian health region. BMC Infect. Dis. 5:72. doi:10.1186/1471-2334-5-72.
235. Leav BA, Mackay M, Ward HD. 2003. Cryptosporidium species: new insights and old challenges. Clin. Infect. Dis. 36:903-908.
236. Lebbad M. 2010. Molecular diagnosis and characterization of two intestinal protozoa: Entamoeba histolytica and Giardia intestinalis. Ph.D. thesis. Karolinska Institutet, Stockholm, Sweden.
237. Lebbad M, et al. 2011. Multilocus genotyping of human Giardia isolates suggests limited zoonotic transmission and association between assemblage B and flatulence in children. PLoS Negl. Trop. Dis. 5:e1262. doi: 10.1371/journal.pntd.0001262.
238. Leclerc H, Schwartzbrod L, Dei-Cas E. 2002. Microbial agents associated with waterborne diseases. Crit. Rev. Microbiol. 28:371-409.
239. Leder KS, O'Toole JE, Sinclair MI. 2009. Water recycling-forwards or backwards for public health? Med. J. Aust. 190:293-294.
240. Lee JY, Yang J-S, Han M, Choi J. 2010. Comparison of the microbiological and chemical characterization of harvested rainwater and reservoir water as alternative water resources. Sci. Total Environ. 408:896-905.
241. Lemarchand K, Lebaron P. 2003. Occurrence of Salmonella spp. And Cryptosporidium spp. in a French coastal watershed: relationship with fecal indicators. FEMS Microbiol. Lett. 218:203-209.
242. Leone A, Ripabelli G, Sammarco M, Grasso G. 2009. Detection of Cryptosporidium spp. from human faeces by PCR-RFLP, cloning and sequencing. Parasitol. Res. 104:583-587.
243. Lewis DL, Gattle DK. 2002. Pathogen risks from applying sewage sludge to land. Environ. Sci. Technol 36:286A-293A.
244. Reference deleted.
245. Li Y, et al. 2009. Removal of waterborne particles by electrofiltration: pilot-scale testing. Environ. Eng. Sci. 26:1795-1803.
246. Li Z, Boyle F, Reynolds A. 2010. Rainwater harvesting and greywater treatment systems for domestic application in Ireland. Desalination 260: 1-8.
247. Logar J, Andlovic A, Poljsak-Prijatelj M. 1994. Incidence of Blastocystis hominis in patients with diarrhoea. J. Infect. 28:151-154.
248. Lores B, et al. 2002. Intestinal microsporidiosis due to Enterocytozoon bieneusi in elderly human immunodeficiency virus negative patients from Vigo, Spain. Clin. Infect. Dis. 34:918-921.
249. Lowther SA, et al. 2000. Entamoeba histolytica/Entamoeba dispar infections in human immunodeficiency virus-infected patients in the United States. Clin. Infect. Dis. 30:955-959.
250. Lynch M, Painter J, Woodruff R, Braden C. 2006. Surveillance for foodborne-disease outbreaks-United States, 1998-2002. MMWR Morb. Mortal. Wkly. Rep. 55:1-48.
251. Machado ECL, Stamford TLM, Alves LC, Melo RG, Shinohara NKS. 2006. Effectiveness of Cryptosporidium spp. oocysts detection and enumeration methods in water and milk samples. Arq. Bras. Med. Vet. Zootecnol. 58:432-439.
252. MacKenzie WR, et al. 1995. Massive outbreak of waterborne Cryptosporidium infection in Milwaukee, Wisconsin: recurrence of illness and risk of secondary transmission. Clin. Infect. Dis. 21:57-62.
253. MacPherson DW, McQueen R. 1993. Cryptosporidiosis: multiattribute evaluation of six diagnostic methods. J. Clin. Microbiol. 31:198-202.
254. Madoni P. 2010. Protozoa in wastewater treatment processes: a minireview. Ital. J. Zool. 78:3-11.
255. Magliani W, et al. 1985. Epidemiological survey on bacterial, viral and parasitic agents in patients affected by acute enteritis. Eur. J. Epidemiol. 1:127-130.
256. Majuru B, Mokoena M, Jagals P, Hunter PR. 2011. Health impact of small-community water supply reliability. Int. J. Hyg. Environ. Health 214:162-166.
257. Maldonado-Barrera C, et al. 2012. Clinical case of cerebral amebiasis caused by Entamoeba histolytica. Parasitol. Res. 110:1291-1296.
258. Mangen M-JJ, et al. 2010. Integrated approaches for the public health prioritization of foodborne and zoonotic pathogens. Risk Anal. 30:782-797.
259. Mansfield LS, Gajadhar AA. 2004. Cyclospora cayetanensis, a food- and waterborne coccidian parasite. Vet. Parasitol. 126:73-90.
260. Marimoutou C, et al. 2011. Self-reporting compared to prospective surveillance to evaluate the incidence of diarrhea among French army personnel deployed to N=djamena, Chad. J. Travel Med. 18:217-220.
261. Marques A, Nunes ML, Moore SK, Strom MS. 2010. Climate change and seafood safety: human health implications. Food Res. Int. 43:1766-1779.
262. Martínez-Díaz R, et al. 2011. Occurrence and genetic characterization of Giardia duodenalis from captive nonhuman primates by multi-locus sequence analysis. Parasitol. Res. 109:539-544.
263. Mathis A, Weber R, Deplazes P. 2005. Zoonotic potential of the microsporidia. Clin. Microbiol. Rev. 18:423-445.
264. McIver CJ, et al. 2001. Diagnosis of enteric pathogens in children with gastroenteritis. Pathology 33:353-358.
265. Mead P, et al. 1999. Food-related illness and death in the United States. Emerg. Infect. Dis. 5:607-625.
266. Meamar AR, et al. 2009. Severe diarrhea due to Isospora belli in a patient with thymoma. J. Microbiol. Immunol. Infect. 42:526-529.
267. Meeusen ENT, Walker J, Peters A, Pastoret P-P, Jungersen G. 2007. Current status of veterinary vaccines. Clin. Microbiol. Rev. 20:489-510.
268. Menounos PG, et al. 2008. Direct detection of Blastocystis sp. in human faecal samples and subtype assignment using single strand conformational polymorphism and sequencing. Mol. Cell. Probes 22:24-29.
269. Meusburger S, et al. 2007. Outbreak of acute gastroenteritis of unknown etiology caused by contaminated drinking water in a rural village in Austria, August 2006. Wien. Klin. Wochenschr. 119:717-721.
270. Miller WA, et al. 2005. Clams (Corbicula fluminea) as bioindicators of fecal contamination with Cryptosporidium and Giardia spp. in freshwater ecosystems in California. Int. J. Parasitol. 35:673-684.
271. Milord F, Lampron-Goulet E, St Amour M, Levac E, Ramsay D. 2011. Cyclospora cayetanensis: a description of clinical aspects of an outbreak in Quebec, Canada. Epidemiol. Infect. 27:1-7.
272. Mirza H, Teo JDW, Upcroft J, Tan KSW. 2011. A rapid, highthroughput viability assay for Blastocystis spp. reveals metronidazole resistance and extensive subtype-dependent variations in drug susceptibilities. Antimicrob. Agents Chemother. 55:637-648.
273. Mody R, et al. 2007. Intestinal parasites, p 273-307. In Immigrant medicine (1st ed). W. B. Saunders, Edinburgh, United Kingdom.
274. Moe KT, et al. 1997. Experimental Blastocystis hominis infection in laboratory mice. Parasitol. Res. 83:319-325.
275. Moghaddam DD, Ghadirian E, Azami M. 2005. Blastocystis hominis and the evaluation of efficacy of metronidazole and trimethoprim/ sulfamethoxazole. Parasitol. Res. 96:273-275.
276. Molina J-M, et al. 2002. Fumagillin treatment of intestinal microsporidiosis. N. Engl. J. Med. 346:1963-1969.
277. Mondal D, Haque R, Sack RB, Kirkpatrick BD, Petri WA Jr. 2009. Attribution of malnutrition to cause-specific diarrheal illness: evidence from a prospective study of preschool children in Mirpur, Dhaka, Bangladesh. Am. J. Trop. Med. Hyg. 80:824-826.
278. Mor Siobhan M, Tzipori S. 2008. Cryptosporidiosis in children in sub-Saharan Africa: a lingering challenge. Clin. Infect. Dis. 47:915-921.
279. Moreno A. 2006. Climate change and human health in Latin America: drivers, effects, and policies. Reg. Environ. Change J. 6:157-164.
280. Mortimer L, Chadee K. 2010. The immunopathogenesis of Entamoeba histolytica. Exp. Parasitol. 126:366-380.
281. Mundaca CC, et al. 2008. Use of PCR to improve diagnostic yield in an outbreak of cyclosporiasis in Lima, Peru. Trans. R. Soc. Trop. Med. Hyg. 102:712-717.
282. Mundt HC, et al. 2005. Occurrence of Isospora suis in Germany, Switzerland and Austria. J. Vet. Med. B Infect. Dis. Vet. Public Health 52:93-97.
283. Murphy SC, et al. 2011. Molecular diagnosis of cystoisosporiasis using extended-range PCR screening. J. Mol. Diagn. 13:359-362.
284. Nair G, et al. 2010. Emerging trends in the etiology of enteric pathogens as evidenced from an active surveillance of hospitalized diarrhoeal patients in Kolkata, India. Gut Pathog. 2:4. doi:10.1186/1757-4749-2-4.
285. Nash TE, et al. 1985. Restriction-endonuclease analysis of DNA from 15 Giardia isolates obtained from humans and animals. J. Infect. Dis. 152: 64-73.
286. Navarro I, Jiménez B. 2011. Evaluation of the WHO helminth eggs criteria using a QMRA approach for the safe reuse of wastewater and sludge in developing countries. Water Sci. Technol. 63:1499-1505.
287. Navarro I, Jiménez B, Lucario S, Cifuentes E. 2009. Application of helminth ova infection dose curve to estimate the risks associated with biosolid application on soil. J. Water Health 7:31-44.
288. Newell DG, et al. 2010. Food-borne diseases: the challenges of 20 years ago still persist while new ones continue to emerge. Int. J. Food Microbiol. 139:S3-S15.
289. Newman RD, et al. 2001. A longitudinal study of Giardia lamblia infection in north-east Brazilian children. Trop. Med. Int. Health 6:624-634.
290. Ng J, Yang R, Whiffin V, Cox P, Ryan U. 2011. Identification of zoonotic Cryptosporidium and Giardia genotypes infecting animals in Sydney's water catchments. Exp. Parasitol. 128:138-144.
291. Nichols GL. 1999. Food-borne protozoa. Br. Med. Bull. 55:209-235.
292. Nichols RAB, Connelly L, Sullivan CB, Smith HV. 2010. Identification of Cryptosporidium species and genotypes in Scottish raw and drinking waters during a one-year monitoring period. Appl. Environ. Microbiol. 76:5977-5986.
293. Noel C, et al. 2005. Molecular phylogenies of Blastocystis isolates from different hosts: implications for genetic diversity, identification of species, and zoonosis. J. Clin. Microbiol. 43:348-355.
294. Noordeen F, Rajapakse RPVJ, Faizal ACM, Horadagoda NU, Arulkanthan A. 2000. Prevalence of Cryptosporidium infection in goats in selected locations in three agroclimatic zones of Sri Lanka. Vet. Parasitol. 93:95-101.
295. NSW Department of Health. 2009. Further increase in Cryptosporidiosis cases. NSW Department of Health, North Sydney, NSW Australia.
296. Nuchjangreed C, Boonrod K, Ongerth J, Karanis P. 2008. Prevalence and molecular characterization of human and bovine Cryptosporidium isolates in Thailand. Parasitol. Res. 103:1347-1353.
297. Nygård K, et al. 2006. A large community outbreak of waterborne giardiasis- delayed detection in a non-endemic urban area. BMC Res. Notes 6:141. doi:10.1186/1471-2458-6-141.
298. O'Brien TF, Stelling J. 2011. Integrated multilevel surveillance of the world's infecting microbes and their resistance to antimicrobial agents. Clin. Microbiol. Rev. 24:281-295.
299. Oda T, et al. 2000. Size selective continuous flow filtration method for detection of Cryptosporidium and Giardia. Water Res. 34:4477-4481.
300. O'Donoghue PJ. 1995. Cryptosporidium and cryptosporidiosis in man and animals. Int. J. Parasitol. 25:139-195.
301. Olesen B, et al. 2005. Etiology of diarrhea in young children in Denmark: a case-control study. J. Clin. Microbiol. 43:3636-3641.
302. Olson ME, Leonard NJ, Strout J. 2010. Prevalence and diagnosis of Giardia infection in dogs and cats using a fecal antigen test and fecal smear. Can. Vet. J. 51:640-642.
303. O'Reilly CE, et al. 2007. A waterborne outbreak of gastroenteritis with multiple etiologies among resort island visitors and residents: Ohio, 2004. Clin. Infect. Dis. 44:506-512.
304. Orlandi PA, Lampel KA. 2000. Extraction-free, filter-based template preparation for rapid and sensitive PCR detection of pathogenic parasitic protozoa. J. Clin. Microbiol. 38:2271-2277.
305. Ortega YR, Eberhard ML, Kris H. 2008. Protozoan diseases: cryptosporidiosis, giardiasis and other intestinal protozoan diseases, p 354-366. In International encyclopedia of public health. Academic Press, Oxford, United Kingdom.
306. Ortega YR, Sanchez R. 2010. Update on Cyclospora cayetanensis, a food-borne and waterborne parasite. Clin. Microbiol. Rev. 23:218-234.
307. Ortega YR, Sterling CR. 1996. Cyclospora cayetanensis: epidemiology and diagnosis. Clin. Microbiol. Newsl. 18:169-172.
308. Overgaauw PAM, et al. 2009. Zoonotic parasites in fecal samples and fur from dogs and cats in the Netherlands. Vet. Parasitol. 163:115-122.
309. Özyurt M, et al. 2008. Molecular epidemiology of Blastocystis infections in Turkey. Parasitol. Int. 57:300-306.
310. Payment P, Berte A, Prevost M, Menard B, Barbeau B. 2000. Occurrence of pathogenic microorganisims in the Saint Lawrence River (Canada) and comparison of health risks for populations using it as their source of drinking water. Can. J. Microbiol. 46:565-576.
311. Pérez-Ayala A, et al. 2011. Self-limited travelers' diarrhea by Isospora belli in a patient with dengue infection. J. Travel Med. 18:212-213.
312. Petrášová J, et al. 2011. Diversity and host specificity of Blastocystis in syntopic primates on Rubondo Island, Tanzania. Int. J. Parasitol. 41: 1113-1120.
313. Petry F, et al. 1997. Cyclospora cayetanensis: first imported infections in Germany. Infection 25:167-170.
314. Pieniazek NJ, Slemenda SB, da Silva AJ, Alfano EM, Arrowood MJ. 1996. PCR confirmation of infection with Cyclospora cayetanensis. Emerg. Infect. Dis. 2:357-359.
315. Pierce K, Huston CD, Moselio S. 2009. Protozoan, intestinal, p 696-705. In Encyclopedia of microbiology. Academic Press, Oxford, United Kingdom.
316. Pillai DR, et al. 1999. Entamoeba histolytica and Entamoeba dispar: epidemiology and comparison of diagnostic methods in a setting of nonendemicity. Clin. Infect. Dis. 29:1315-1318.
317. Pitkanen T, et al. 2011. Microbial contamination of groundwater at small community water supplies in Finland. AMBIO 40:377-390.
318. Plutzer J, Ongerth J, Karanis P. 2010. Giardia taxonomy, phylogeny and epidemiology: facts and open questions. Int. J. Hyg. Environ. Health 213:321-333.
319. Plutzer J, Tomor B. 2009. The role of aquatic birds in the environmental dissemination of human pathogenic Giardia duodenalis cysts and Cryptosporidium oocysts in Hungary. Parasitol. Int. 58:227-231.
320. Poirier P, et al. 2011. Development and evaluation of a real-time PCR assay for detection and quantification of Blastocystis parasites in human stool samples: prospective study of patients with hematological malignancies. J. Clin. Microbiol. 49:975-983.
321. Poirier P, Wawrzyniak I, Vivares CP, Delbac F, El Alaoui H. 2012. New insights into Blastocystis spp.: a potential link with irritable bowel syndrome. PLoS Pathog. 8:e1002545. doi:10.1371/journal.ppat.1002545.
322. Pönka A, et al. 2009. A foodborne outbreak due to Cryptosporidium parvum in Helsinki, November 2008. Euro Surveill. 14:14-16. http://www.eurosurveillance.org/ViewArticle.aspx?ArticleId_19269
323. Posch C, et al. 2011. Perianal ulcer-amebiasis cutis. J. Dtsch. Dermatol. Ges. 9:649-650.
324. Pritt BS, Clark CG. 2008. Amebiasis. Mayo Clinic Proc. 83:1154-1160.
325. Puech MC, et al. 2001. A statewide outbreak of cryptosporidiosis in New South Wales associated with swimming at public pools. Epidemiol. Infect. 126:389-396.
326. Pupulin ÁR, Carvalho PG, Nishi L, Nakamura CV, Guilherme AL. 2009. Enteropathogens relating to diarrhea in HIV patients on antiretroviral therapy. Rev. Soc. Bras. Med. Trop. 42:551-555.
327. Putignani L, Menichella D. 2010. Global distribution, public health and clinical impact of the protozoan pathogen Cryptosporidium. Interdiscip. Perspect. Infect. Dis. 2010:1-39.
328. Quihui L, et al. 2010. Could giardiasis be a risk factor for low zinc status in schoolchildren from northwestern Mexico? A cross-sectional study with longitudinal follow-up. BMC Public Health 10:85. doi:10.1186/1471-2458-10-85.
329. Quílez J, Sánchez-Acedo C, Clavel A, del Cacho E, López-Bernad F. 1996. Prevalence of Cryptosporidium infections in pigs in Aragón (northeastern Spain). Vet. Parasitol. 67:83-88.
330. Quintero-Betancourt W, Peele ER, Rose JB. 2002. Cryptosporidium parvum and Cyclospora cayetanensis: a review of laboratory methods for detection of these waterborne parasites. J. Microbiol. Methods 49:209-224.
331. Rabold JG, et al. 1994. Cyclospora outbreak associated with chlorinated drinking water. Lancet 344:1360-1361.
332. Ralston KS, Petri WA Jr. 2011. Tissue destruction and invasion by Entamoeba histolytica. Trends Parasitol. 27:254-263.
333. Ramasamy R, Surendran S. 2011. Possible impact of rising sea levels on vector-borne infectious diseases. BMC Infect. Dis. 11:18. doi:10.1186/1471-2334-11-18.
334. Ramirez-Miranda M, et al. 2010. Parasites in Mexican patients with irritable bowel syndrome: a case-control study. Parasites Vectors 3:96.
335. Rautelin HI, et al. 1989. Prospective study of the etiology of diarrhea in adult outpatients and inpatients. Scand. J. Gastroenterol. 24:329-333.
336. Reeders JW, Yee J, Gore RM, Miller FH, Megibow AJ. 2004. Gastrointestinal infection in the immunocompromised (AIDS) patient. Eur. Radiol. 14(Suppl):E84-E102.
337. Resende D, et al. 2011. Polymorphisms in the 18S rDNA gene of Cystoisospora belli and clinical features of cystoisosporosis in HIVinfected patients. Parasitol. Res. 108:679-685.
338. Reynolds KA, et al. 2008. Risk of waterborne illness via drinking water in the United States. Rev. Environ. Contam. Toxicol. 192:117-158.
339. Rimhanen-Finne R, Vuorinen A, Marmo S, Malmberg S, Hänninen ML. 2004. Comparative analysis of Cryptosporidium, Giardia and indicator bacteria during sewage sludge hygienization in various composting processes. Lett. Appl. Microbiol. 38:301-305. doi:10.1111/j.1472-765X.2004.01487.x.
340. Rimseliene G, et al. 2011. An outbreak of gastroenteritis among schoolchildren staying in a wildlife reserve: thorough investigation reveals Norway's largest cryptosporidiosis outbreak. Scand. J. Public Health 39:287-295.
341. Roberts T, Barratt J, Harkness J, Ellis J, Stark D. 2011. Comparison of microscopy, culture, and conventional polymerase chain reaction for detection of Blastocystis sp. in clinical stool samples. Am. J. Trop. Med. Hyg. 84:308-312.
342. Robinson G, et al. 2011. A whole water catchment approach to investigating the origin and distribution of Cryptosporidium species. J. Appl. Microbiol. 111:717-730.
343. Roy SL, et al. 2004. Risk factors for sporadic cryptosporidiosis among immunocompetent persons in the United States from 1999 to 2001. J. Clin. Microbiol. 42:2944-2951.
344. Rudrapatna JS, Kumar V, Sridhar H. 1997. Intestinal parasitic infections in patients with malignancy. J. Diarrhoeal Dis. Res. 15:71-74.
345. Ryan U. 2010. Cryptosporidium in birds, fish and amphibians. Exp. Parasitol. 124:113-120.
346. Sagebiel D, Weitzel T, Stark K, Leitmeyer K. 2009. Giardiasis in kindergartens: prevalence study in Berlin, Germany, 2006. Parasitol. Res. 105:681-687.
347. Samarasinghe B, Johnson J, Ryan U. 2008. Phylogenetic analysis of Cystoisospora species at the rRNA ITS1 locus and development of a PCR-RFLP assay. Exp. Parasitol. 118:592-595.
348. Samie A, et al. 2006. Cryptosporidium species: preliminary descriptions of the prevalence and genotype distribution among school children and hospital patients in the Venda region, Limpopo Province, South Africa. Exp. Parasitol. 114:314-322.
349. Samie A, Obi CL, Tzipori S, Weiss LM, Guerrant RL. 2007. Microsporidiosis in South Africa: PCR detection in stool samples of HIV-positive and HIV-negative individuals and school children in Vhembe District, Limpopo Province. Trans. R. Soc. Trop. Med. Hyg. 101:547-554.
350. Sancak B, Akyon Y, Erguven S. 2006. Cyclospora infection in five immunocompetent patients in a Turkish university hospital. J. Med. Microbiol. 55:459-462.
351. Santos H, et al. 2010. Differential identification of Entamoeba spp. Based on the analysis of 18S rRNA. Parasitol. Res. 106:883-888.
352. Savarino SJ, Bourgeois AL. 1993. Epidemiology of diarrhoeal diseases in developed countries. Trans. R. Soc. Trop. Med. Hyg. 87:7-11.
353. Savichtcheva O, Okabe S. 2006. Alternative indicators of fecal pollution: relations with pathogens and conventional indicators, current methodologies for direct pathogen monitoring and future application perspectives. Water Res. 40:2463-2476.
354. Savioli L, Smith H, Thompson A. 2006. Giardia and Cryptosporidium join the Neglected Diseases Initiative. Trends Parasitol. 22:203-208.
355. Sawangjaroen N, Luke R, Prociv P. 1993. Diagnosis by faecal culture of Dientamoeba fragilis infections in Australian patients with diarrhoea. Trans. R. Soc. Trop. Med. Hyg. 87:163-165.
356. Scallan E, et al. 2011. Foodborne illness acquired in the United States- major pathogens. Emerg. Infect. Dis. 17:7-15.
357. Scallan E, et al. 2006. Factors associated with seeking medical care and submitting a stool sample in estimating the burden of foodborne illness. Foodborne Pathog. Dis. 3:432-438.
358. Schaefer FW, Marshall MM, Clancy JL. 2004. Inactivation and removal of enteric protozoa in water, p 117-127. In Sterling CR, Adam RD (ed), The pathogenic enteric protozoa: Giardia, Entamoeba, Cryptosporidium and Cyclospora. Kluwer Academic Publishers, Boston, MA.
359. Schuster FL, Ramirez-Avila L. 2008. Current world status of Balantidium coli. Clin. Microbiol. Rev. 21:626-638.
360. Schuster FL, Visvesvara GS. 2004. Amebae and ciliated protozoa as causal agents of waterborne zoonotic disease. Vet. Parasitol. 126:91-120.
361. Schwartz MD, Nelson ME. 2003. Dientamoeba fragilis infection presenting to the emergency department as acute appendicitis. J. Emerg. Med. 25:17-21.
362. Semenza JC, Menne B. 2009. Climate change and infectious diseases in Europe. Lancet Infect. Dis. 9:365-375.
363. Shah N, DuPont HL, Ramsey DJ. 2009. Global etiology of travelers' diarrhea: systematic review from 1973 to the present. Am. J. Trop. Med. Hyg. 80:609-614.
364. Shannon MA, et al. 2008. Science and technology for water purification in the coming decades. Nature 452:301-310.
365. Sherif, M. 2010. Water availability and quality in the Gulf Cooperation Council countries: implications for public health. Asia Pac. J. Public Health 22:40S-47S.
366. Sheth M, Obrah M. 2004. Diarrhea prevention through food safety education. Indian J. Pediatr. 71:879-882.
367. Shirazi S, Lin C-J, Chen D. 2009. Inorganic fouling of pressure-driven membrane processes: a critical review. Desalination 250:236-248.
368. Shoff WH, et al. 26 February 2010, posting date. Cyclospora: differential diagnoses & workup. Medscape. http://emedicine.medscape.com/article/236105-workup.
369. Sidhu JPS, Toze SG. 2009. Human pathogens and their indicators in biosolids: a literature review. Environ. Int. 35:187-201.
370. Sinclair MI, et al. 2005. Pathogens causing community gastroenteritis in Australia. J. Gastroenterol. Hepatol. 20:1685-1690.
371. Singh M, Suresh K, Ho LC, Ng GC, Yap EH. 1995. Elucidation of the life cycle of the intestinal protozoan Blastocystis hominis. Parasitol. Res. 81:446-450.
372. Skotarczak B. 2010. Progress in the molecular methods for the detection and genetic characterization of Cryptosporidium in water samples. Ann. Agric. Environ. Med. 17:1-8.
373. Skovgaard N. 2007. New trends in emerging pathogens. Int. J. Food Microbiol. 120:217-224.
374. Slifko TR, Smith HV, Rose JB. 2000. Emerging parasite zoonoses associated with water and food. Int. J. Parasitol. 30:1379-1393.
375. Smith HV, Nichols RAB. 2010. Cryptosporidium: detection in water and food. Exp. Parasitol. 124:61-79.
376. Reference deleted.
377. Smith HV, Simjee S. 2007. Cyclospora, p 277-301. In Georgiev VS (ed), Foodborne diseases. Humana Press, Totowa, NJ.
378. Snelling WJ, Moore JE, McKenna JP, Lecky DM, Dooley JSG. 2006. Bacterial-protozoa interactions; an update on the role these phenomena play towards human illness. Microbes Infect. 8:578-587.
379. Snow M, Chen M, Guo J, Atkinson J, Stanley SL. 2008. Differences in complement-mediated killing of Entamoeba histolytica between men and women: an explanation for the increased susceptibility of men to invasive amebiasis? Am. J. Trop. Med. Hyg. 78:922-923.
380. Sobsey MD, Stauber CE, Casanova LM, Brown JM, Elliott MA. 2008. Point of use household drinking water filtration: a practical, effective solution for providing sustained access to safe drinking water in the developing world. Environ. Sci. Technol. 42:4261-4267.
381. Sohail MR, Fischer PR. 2005. Blastocystis hominis and travelers. Travel Med. Infect. Dis. 3:33-38.
382. Sokolova OI, et al. 2011. Emerging microsporidian infections in Russian HIV-infected patients. J. Clin. Microbiol. 49:2102-2108.
383. Solaymani-Mohammadi S, Petri JWA. 2006. Zoonotic implications of the swine-transmitted protozoal infections. Vet. Parasitol. 140:189-203.
384. Souppart L, et al. 2010. Subtype analysis of Blastocystis isolates from symptomatic patients in Egypt. Parasitol. Res. 106:505-511.
385. Stanley JSL. 2003. Amoebiasis. Lancet 361:1025-1034.
386. Stark D, et al. 2011. Evaluation of multiplex tandem real-time PCR for detection of Cryptosporidium spp., Dientamoeba fragilis, Entamoeba histolytica, and Giardia intestinalis in clinical stool samples. J. Clin. Microbiol. 49:257-262.
387. Stark D, Barratt J, Ellis J, Harkness J, Marriott D. 2009. Repeated Dientamoeba fragilis infections: a case report of two families from Sydney, Australia. Infect. Dis. Rep. 1:7-9.
388. Stark D, et al. 2010. Comparison of microscopy, two xenic culture techniques, conventional and real-time PCR for the detection of Dientamoeba fragilis in clinical stool samples. Eur. J. Clin. Microbiol. Infect. Dis. 29:411-416.
389. Stark D, et al. 2010. A review of the clinical presentation of dientamoebiasis. Am. J. Trop. Med. Hyg. 82:614-619.
390. Stark D, et al. 2009. Clinical significance of enteric protozoa in the immunosuppressed human population. Clin. Microbiol. Rev. 22:634-650.
391. Stark D, Beebe N, Marriott D, Ellis J, Harkness J. 2005. Detection of Dientamoeba fragilis in fresh stool specimens using PCR. Int. J. Parasitol. 35:57-62.
392. Stark D, Beebe N, Marriott D, Ellis J, Harkness J. 2007. Dientamoeba fragilis as a cause of traveler's diarrhea: report of seven cases. J. Travel Med. 14:72-73.
393. Stark D, Beebe N, Marriott D, Ellis J, Harkness J. 2006. Evaluation of three diagnostic methods, including real-time PCR, for detection of Dientamoeba fragilis in stool specimens. J. Clin. Microbiol. 44:232-235.
394. Stark D, Beebe N, Marriott D, Ellis J, Harkness J. 2005. Prospective study of the prevalence, genotyping, and clinical relevance of Dientamoeba fragilis infections in an Australian population. J. Clin. Microbiol. 43:2718-2723.
395. Stark D, et al. 2007. Prevalence of enteric protozoa in human immunodeficiency virus (HIV)-positive and HIV negative men who have sex with men from Sydney, Australia. Am. J. Trop. Med. Hyg. 76:549-552.
396. Stark D, et al. 2008. Gorillas are a host for Dientamoeba fragilis: an update on the life cycle and host distribution. Vet. Parasitol. 151:21-26.
397. Stark D, et al. 2010. Entamoeba histolytica, p 363-367. In Schuller M, Sloots TP, James GS, Halliday CL, Carter IWJ (ed), PCR for clinical microbiology: an Australian and international perspective. Springer, Dordrecht, Netherlands. doi:10.1007/978-90-481-9039-3_62.
398. Stark D, et al. 2009. Limited genetic diversity among genotypes of Enterocytozoon bieneusi strains isolated from HIV-infected patients from Sydney, Australia. J. Med. Microbiol. 58:355-357.
399. Stark D, van Hal S, Marriott D, Ellis J, Harkness J. 2007. Irritable bowel syndrome: a review on the role of intestinal protozoa and the importance of their detection and diagnosis. Int. J. Parasitol. 37:11-20.
400. Stark D, van Hal S, Matthews G, Marriott D, Harkness J. 2008. Invasive amebiasis in men who have sex with men, Australia. Emerg. Infect. Dis. 14:1141-1143.
401. Stark DJ, Beebe N, Marriott D, Ellis JT, Harkness J. 2006. Dientamoebiasis: clinical importance and recent advances. Trends Parasitol. 22:92-96.
402. Stensvold CR, Arendrup MC, Jespersgaard C, Mølbak K, Nielsen HV. 2007. Detecting Blastocystis using parasitologic and DNA-based methods: a comparative study. Diagn. Microbiol. Infect. Dis. 59:303-307.
403. Stensvold CR, Arendrup MC, Mølbak K, Nielsen HV. 2007. The prevalence of Dientamoeba fragilis in patients with suspected enteroparasitic disease in a metropolitan area in Denmark. Clin. Microbiol. Infect. 13:839-842.
404. Stensvold CR, Nielsen HV, Mølbak K, Smith HV. 2009. Pursuing the clinical significance of Blastocystis: diagnostic limitations. Trends Parasitol. 25:23-29.
405. Reference deleted.
406. Stensvold CR, et al. 2011. The prevalence and clinical significance of intestinal parasites in HIV-infected patients in Denmark. Scand. J. Infect. Dis. 43:129-135.
407. Stensvold CR, Smith HV, Nagel R, Olsen KEP, Traub RJ. 2010. Eradication of Blastocystis carriage with antimicrobials: reality or delusion? J. Clin. Gastroenterol. 44:85-90.
408. Stensvold CR, et al. 2007. Terminology for Blastocystis subtypes: a consensus. Trends Parasitol. 23:93-96.
409. Stenzel D, Boreham P. 1996. Blastocystis hominis revisited. Clin. Microbiol. Rev. 9:563-584.
410. Sterling CR, Adam RD (ed). 2004. The pathogenic enteric protozoa: Giardia, Entamoeba, Cryptosporidium and Cyclospora. Kluwer Academic Publishers, Boston, MA.
411. Stern N. January 2007. The economics of climate change: the Stern review. Cambridge University Press, Cambridge, United Kingdom
412. St Louis ME, Hess JJ. 2008. Climate change: impacts on and implications for global health. Am. J. Prev. Med. 35:527-538.
413. Sturdee AP, Bodley-Tickell AT, Archer A, Chalmers RM. 2003. Longterm study of Cryptosporidium prevalence on a lowland farm in the United Kingdom. Vet. Parasitol. 116:97-113.
414. Surangsrirat S, et al. 2010. Assessment of the association between Blastocystis infection and irritable bowel syndrome. J. Med. Assoc. Thailand 93(Suppl 6):S119-S124.
415. Suresh K, Smith HV. 2004. Tropical organisms in Asia/Africa/South America, p 93-112. In Cotruvo JA, et al (ed), Waterborne zoonoses: identification, causes and control. IWA Publishing, London, United Kingdom.
416. Svenungsson B, et al. 2000. Enteropathogens in adult patients with diarrhea and healthy control subjects: a 1-year prospective study in a Swedish clinic for infectious diseases. Clin. Infect. Dis. 30:770-778.
417. Swaminathan A, et al. 2009. A global study of pathogens and host risk factors associated with infectious gastrointestinal disease in returned international travellers. J. Infect. 59:19-27.
418. Tan K, Mirza H, Teo J, Wu B, MacAry P. 2010. Current views on the clinical relevance of Blastocystis spp. Curr. Infect. Dis. Rep. 12:28-35.
419. Tan KSW. 2004. Blastocystis in humans and animals: new insights using modern methodologies. Vet. Parasitol. 126:121-144.
420. Tan KSW. 2008. New insights on classification, identification, and clinical relevance of Blastocystis spp. Clin. Microbiol. Rev. 21:639-665.
421. Tan KSW, Singh M, Yap EH. 2002. Recent advances in Blastocystis hominis research: hot spots in terra incognita. Int. J. Parasitol. 32:789-804.
422. Tan T, Suresh K. 2006. Predominance of amoeboid forms of Blastocystis hominis in isolates from symptomatic patients. Parasitol. Res. 98:189-193.
423. Tang YW, et al. 2009. Diagnostic microbiology, p 308-320. In Encyclopedia of microbiology, 3rd ed. Academic Press, Oxford, United Kingdom.
424. Tangtrongsup S, Scorza V. 2010. Update on the diagnosis and management of Giardia spp infections in dogs and cats. Top. Companion Anim. Med. 25:155-162.
425. Tebbutt GM, Wilson D, Holtby I. 2009. A study of 279 general outbreaks of gastrointestinal infection in the north-east region of England. Int. J. Environ. Res. Public Health 6:547-557.
426. ten Hove R, et al. 2009. Molecular diagnostics of intestinal parasites in returning travellers. Eur. J. Clin. Microbiol. Infect. Dis. 28:1045-1053.
427. ten Hove RJ. 2009. Molecular detection of intestinal parasites for clinical diagnosis and epidemiology. Ph.D. thesis. Leiden University, Leiden, Netherlands.
428. Thomas KM, et al. 2006. A role of high impact weather events in waterborne disease outbreaks in Canada, 1975-2001. Int. J. Environ. Res. Public Health 16:167-180.
429. Thompson R, Kutz S, Smith A. 2009. Parasite zoonoses and wildlife: emerging issues. Int. J. Environ. Res. Public Health 6:678-693.
430. Thompson RCA. 2000. Giardiasis as a re-emerging infectious disease and its zoonotic potential. Int. J. Parasitol. 30:1259-1267.
431. Thompson RCA. 2004. The zoonotic significance and molecular epidemiology of Giardia and giardiasis. Vet. Parasitol. 126:15-35.
432. Thompson RCA, Lymbery AJ, Smith A. 2010. Parasites, emerging disease and wildlife conservation. Int. J. Parasitol. 40:1163-1170.
433. Thompson RCA, Smith A. 2011. Zoonotic enteric protozoa. Vet. Parasitol. 182:70-78.
434. Tian H-F, Chen B, Wen J-F. 2010. Giardiasis, drug resistance, and new target discovery. Infect. Disord. Drug Targets 10:295-302.
435. Tirado MC, Clarke R, Jaykus LA, McQuatters-Gollop A, Frank JM. 2010. Climate change and food safety: a review. Food Res. Int. 43:1745-1765.
436. Tiwari S-SK, Schmidt W-P, Darby J, Kariuki ZG, Jenkins MW. 2009. Intermittent slow sand filtration for preventing diarrhoea among children in Kenyan households using unimproved water sources: randomized controlled trial. Trop. Med. Int. Health 14:1374-1382.
437. Tomley FM, Shirley MW. 2009. Livestock infectious diseases and zoonoses. Philos. Trans. R. Soc. Lond. B Biol. Sci. 364:2637-2642.
438. Torgerson PR, Macpherson CNL. 2011. The socioeconomic burden of parasitic zoonoses: global trends. Vet. Parasitol. 182:79-95.
439. Tuli L, Singh D, Gulati A, Sundar S, Mohapatra T. 2010. A multiattribute utility evaluation of different methods for the detection of enteric protozoa causing diarrhea in AIDS patients. BMC Microbiol. 10:11. doi:10.1186/1471-2180-10-11.
440. Tungtrongchitr A, et al. 2004. Blastocystis hominis infection in irritable bowel syndrome patients. Southeast Asian J. Trop. Med. Public Health 35:705-710.
441. Tzipori S, Ward H. 2002. Cryptosporidiosis: biology, pathogenesis and disease. Microbes Infect. 4:1047-1058.
442. Uhnoo I, et al. 1986. Aetiology and epidemiology of acute gastroenteritis in Swedish children. J. Infect. 13:73-89.
443. van den Akker B, et al. 2011. Estimating the risk from sewage treatment plant effluent in the Sydney catchment area. Water Sci. Technol. 63:1707-1715.
444. Vandenberg O, et al. 2006. Clinical and microbiological features of dientamoebiasis in patients suspected of suffering from a parasitic gastrointestinal illness: a comparison of Dientamoeba fragilis and Giardia lamblia infections. Int. J. Infect. Dis. 10:255-261.
445. Vandenberg O, et al. 2007. Treatment of Dientamoeba fragilis infection with paromomycin. Pediatr. Infect. Dis. J. 26:88-90.
446. van den Brandhof W, Bartelds A, Koopmans M, van Duynhoven Y. 2006. General practitioner practices in requesting laboratory tests for patients with gastroenteritis in the Netherlands, 2001-2002. BMC Fam. Pract. 7:56. doi:10.1186/1471-2296-7-56.
447. Van der Bruggen B, Vandecasteele C, Van Gestel T, Doyenb W, Leysen R. 2003. A review of pressure-driven membrane processes in wastewater treatment and drinking water production. Environ. Prog. 22:46-55.
448. van Hal SJ, et al. 2007. Declining incidence of intestinal microsporidiosis and reduction in AIDS-related mortality following introduction of HAART in Sydney, Australia. Trans. R. Soc. Trop. Med. Hyg. 101:1096-1100.
449. van Hal SJ, et al. 2007. Amoebiasis: current status in Australia. Med. J. Aust. 186:412-416.
450. Varma M, Hester JD, Schaefer FW, Ware MW, Lindquist HDA. 2003. Detection of Cyclospora cayetanensis using a quantitative real-time PCR assay. J. Microbiol. Methods 53:27-36.
451. Vassalos CM, Vakalis N, Papadopoulou C. 2008. Blastocystis and its pathogenic potential: latest aspects. Rev. Med. Microbiol. 19:87-97.
452. Velasco AC, et al. 1984. Three-year prospective study of intestinal pathogens in Madrid, Spain. J. Clin. Microbiol. 20:290-292.
453. Velasquez J, et al. 2011. Molecular characterization of Cystoisospora belli and unizoite tissue cyst in patients with acquired immunodeficiency syndrome. Parasitology 138:279-286.
454. Verma GK, et al. 2010. Amoebiasis cutis: clinical suspicion is the key to early diagnosis. Australas. J. Dermatol. 51:52-55.
455. Verweij JJ, et al. 2004. Simultaneous detection of Entamoeba histolytica, Giardia lamblia, and Cryptosporidium parvum in fecal samples by using multiplex real-time PCR. J. Clin. Microbiol. 42:1220-1223.
456. Verweij JJ, Laeijendecker D, Brienen EAT, van Lieshout L, Polderman AM. 2003. Detection of Cyclospora cayetanensis in travellers returning from the tropics and subtropics using microscopy and real-time PCR. Int. J. Med. Microbiol. 293:199-202.
457. Vesy CJ, Peterson WL. 1999. Review article: the management of giardiasis. Aliment. Pharmacol. Ther. 13:843-850.
458. Villarreal EL, Dixon A. 2005. Analysis of a rainwater collection system for domestic water supply in Ringdansen, Norrköping, Sweden. Build. Environ. 40:1174-1184.
459. Viola Magni M, Creusy C, Certad G, Guyot K, Dei-Cas E. 2010. Parasites and oncogenesis with a special reference to gastro-intestinal neoplasia induced by Cryptosporidium parvum, p 381-388. In Detection of bacteria, viruses, parasites and fungi. Springer, Dordrecht, Netherlands.
460. Visser LG, et al. 2006. Diagnostic methods for differentiation of Entamoeba histolytica and Entamoeba dispar in carriers: performance and clinical implications in a non-endemic setting. Int. J. Med. Microbiol. 296:397-403.
461. Visvesvara G, Moura H, Kovacs-Nace E, Wallace S, Eberhard M. 1997. Uniform staining of Cyclospora oocysts in fecal smears by a modified safranin technique with microwave heating. J. Clin. Microbiol. 35:730-733. (Erratum, 35:1648.)
462. Reference deleted.
463. Waldron LS, et al. 2011. Molecular epidemiology and spatial distribution of a waterborne cryptosporidiosis outbreak, Australia. Appl. Environ. Microbiol. 77:7766-7771.
464. Water UK. 2001. Guidelines for the application of sewage sludge to industrial crops, p 1-4. Water UK, Westminster, United Kingdom.
465. Weitzel T, Dittrich S, Möhl I, Adusu E, Jelinek T. 2006. Evaluation of seven commercial antigen detection tests for Giardia and Cryptosporidium in stool samples. Clin. Microbiol. Infect. 12:656-659.
466. Wenjun S, Wenjun L. 2008. Impact of the ultraviolet disinfection process on biofilm control in a model drinking water distribution system. 26:809-816.
467. Wheeler J, et al. 1999. Study of infectious intestinal disease in England: rates in the community, presenting to general practice, and reported to national surveillance. BMJ 318:1046-1050.
468. WHO. 2008. The global burden of disease: 2004 update. WHO Press, Geneva, Switzerland.
469. WHO. 2006. Guidelines for safe recreational water environments, vol 2. Swimming pools and similar environments. WHO Press, Geneva, Switzerland.
470. WHO, PAHO, and UNESCO. 1997. Report: a consultation with experts on amoebiasis: Mexico City. Epidemiol. Bull. 18:13-14.
471. Wilson N, Baker M, Edwards R, Simmons G. 2008. Case-case analysis of enteric diseases with routine surveillance data: potential use and example results. Epidemiol. Perspect. Innov. 5:6.
472. Wingender J, Flemming H-C. 2011. Biofilms in drinking water and their role as reservoir for pathogens. Int. J. Hyg. Environ. Health 214:417-423.
473. Xiao L. 2010. Molecular epidemiology of cryptosporidiosis: an update. Exp. Parasitol. 124:80-89.
474. Xiao L, Cama V, Ortega YR. 2006. Cryptosporidium and cryptosporidiosis, p 57-108. In Foodborne parasites. Springer, New York, NY.
475. Yang R, Reid A, Lymbery A, Ryan U. 2010. Identification of zoonotic Giardia genotypes in fish. Int. J. Parasitol. 40:779-785.
476. Yoder JS, Harral C, Beach MJ. 2010. Cryptosporidiosis surveillance- United States, 2006-2008. MMWR Morb. Mortal. Wkly. Rep. 59:1-14.
477. Yoder JS, Harral C, Beach MJ. 2010. Giardiasis surveillance-United States, 2006-2008. MMWR Morb. Mortal. Wkly. Rep. 59:15-25.
478. Yoder JS, et al. 2008. Surveillance for waterborne disease and outbreaks associated with recreational water use and other aquatic facilityassociated health events-United States, 2005-2006. MMWR Morb. Mortal. Wkly. Rep. 57:1-30.
479. Yoshikawa H, et al. 2004. Polymerase chain reaction-based genotype classification among human Blastocystis hominis populations isolated from different countries. Parasitol. Res. 92:22-29.
480. Yoshiuchi R, et al. 2010. Survey and molecular characterization of Cryptosporidium and Giardia spp. in owned companion animal, dogs and cats, in Japan. Vet. Parasitol. 174:313-316.
481. Zhang X, et al. 2012. In vitro culture of Blastocystis hominis in three liquid media and its usefulness in the diagnosis of blastocystosis. Int. J. Infect. Dis. 16:e23-e28.
482. Zhang Y, Bi P, Hiller JE. 2010. Climate variations and Salmonella infection in Australian subtropical and tropical regions. Sci. Total Environ. 408:524-530.
483. Zhang Y, Bi P, Hiller JE, Sun Y, Ryan P. 2007. Climate variations and bacillary dysentery in northern and southern cities of China. J. Infect. 55:194-200.
484. Zmirou-Navier D, Gofti-Laroche L, Hartemann P. 2006. Waterborne microbial risk assessment: a population-based dose-response function for Giardia spp. (EMIRA study). BMC Public Health 6:122. doi:10.1186/1471-2458-6-122.
485. Zuel-Fakkar NM, Abdel Hameed DM, Hassanin OM. 2011. Study of Blastocystis hominis isolates in urticaria: a case-control study. Clin. Exp. Dermatol. 36:908-910.