Hepatitis B and hepatitis C in Pakistan: prevalence and risk factors

International Journal of Infectious Diseases

Volumn 13, Issue 1, 2009, Pages 9-19

  Ali, Syed Asad ^a   Donahue, Rafe M J ^b   Qureshi, Huma ^c   Vermund, Sten H ^a  

^a VANDERBILT UNIVERSITY SCHOOL OF MEDICINE   (United States)

^b VANDERBILT UNIVERSITY   (United States)

^c Pakistan Medical Research Council   (Pakistan)

Author keywords

Hepatitis; Hepatitis B virus; Hepatitis C virus; Injection; Pakistan

Indexed keywords

BLOOD DERIVATIVE; HEPATITIS B ANTIGEN; HEPATITIS B VACCINE; HEPATITIS C ANTIBODY;

BLOOD DONOR; BLOOD TRANSFUSION; HAIRDRESSER; HEALTH CARE; HEPATITIS B; HEPATITIS C; HIGH RISK POPULATION; HOUSEHOLD; HUMAN; INFECTION RISK; INTRAVENOUS DRUG ABUSE; MEDICAL LITERATURE; MORBIDITY; NEEDLE; OCCUPATIONAL HAZARD; PAKISTAN; PREVALENCE; REVIEW; SPOUSE; VIRUS TRANSMISSION;

ADULT; CHILD; HEPACIVIRUS; HEPATITIS B; HEPATITIS B SURFACE ANTIGENS; HEPATITIS B VIRUS; HEPATITIS B, CHRONIC; HEPATITIS C; HEPATITIS C ANTIBODIES; HEPATITIS C, CHRONIC; HUMANS; PAKISTAN; PREVALENCE; RISK FACTORS;

EID: 57849102499     PISSN: 12019712     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijid.2008.06.019     Document Type: Review

References (125)

1. Previsani N., and Lavanchy D. Hepatitis B. WHO/CDS/CSR/LYO/2002. 2:Hepatitis B (2002), World Health Organization, Geneva
2. World Health Organization fact sheets. Hepatitis C (2000), World Health Organization, Geneva. http://www.who.int/mediacentre/factsheets/fs164/en/ Available at: http://www.who.int/mediacentre/factsheets/fs164/en/ (accessed August 2008).
3. Perz J.F., Armstrong G.L., Farrington L.A., Hutin Y.J., and Bell B.P. The contributions of hepatitis B virus and hepatitis C virus infections to cirrhosis and primary liver cancer worldwide. J Hepatol 45 (2006) 529-538
4. The world factbook. Pakistan. USA: Central Intelligence Agency; 2007. Available at: https://www.cia.gov/library/publications/the-world-factbook/geos/pk.html (accessed August 2008).
5. California state facts. United States Geological Survey; 2006. Available at: http://www.usgs.gov (accessed August 2008).
6. Country profile: Pakistan. Library of Congress Federal Research Division; 2005. Available at: http://lcweb2.loc.gov/frd/cs/profiles/Pakistan.pdf (accessed August 2008).
7. The Constitutional basis for the Federation of Pakistan. The Constitution of the Islamic Republic of Pakistan; 2007. Available at: http://www.pakistanconstitution-law.com/const_results.asp?artid=1&title=The%20Republic%20and%20its%20territories (accessed).
8. Agresti A., and Coull B. Approximate is better than 'exact' for interval estimation of binomial proportions. Am Stat 52 (1998) 119-126
9. Agboatwalla M., Isomura S., Miyake K., Yamashita T., Morishita T., and Akram D.S. Hepatitis A, B and C seroprevalence in Pakistan. Indian J Pediatr 61 (1994) 545-549
10. Khan H.I. A study of seroprevalence of hepatitis B and C in mothers and children in Lahore. Pak Pediatr J 20 (1996) 163-166
11. Abbas K.A., and Tanwani A.K. Prevalence of hepatitis B surface antigenaemia in healthy children. J Pak Med Assoc 47 (1997) 93-94
12. Khan M.A., Ali A.S., Ul Hassan Z., Mir F., and Ul Haque S. Seroprevalence of hepatitis B in children. Pak Pediatr J 22 (1998) 75-77
13. Qasmi S.A., Aqeel S., Ahmed M., Alam S.I., and Ahmad A. Detection of hepatitis B viruses in normal individuals of Karachi. J Coll Physicians Surg Pak 10 (2000) 467-469
14. Jafri W., Jafri N., Yakoob J., Islam M., Tirmizi S.F., Jafar T., et al. Hepatitis B and C: prevalence and risk factors associated with seropositivity among children in Karachi, Pakistan. BMC Infect Dis 6 (2006) 101
15. Quddus A., Luby S.P., Jamal Z., and Jafar T. Prevalence of hepatitis B among Afghan refugees living in Balochistan, Pakistan. Int J Infect Dis 10 (2006) 242-247
16. Aziz S., Muzzafar R., Hafiz S., Abbas Z., Zafar M.N., Naqvi S.A., et al. Helicobacter pylori, hepatitis viruses A, C, E antibodies and HBsAg - prevalence and associated risk factors in pediatric communities of Karachi. J Coll Physicians Surg Pak 17 (2007) 195-198
17. Bhatti F.A., Shaheen N., Uz Zaman Tariq W., Amin M., and Saleem M. Epidemiology of hepatitis C virus in blood donors in Northern Pakistan. Pak Armed Forces Med J 46 (1996) 91-92
18. Kakepoto G.N., Bhally H.S., Khaliq G., Kayani N., Burney I.A., Siddiqui T., et al. Epidemiology of blood-borne viruses: a study of healthy blood donors in Southern Pakistan. Southeast Asian J Trop Med Public Health 27 (1996) 703-706
19. Bukhari S.M., Khatoon N., Iqbal A., Naeem S., Shafqat S., Lone A., et al. Prevalence of hepatitis B antigenaemia in Mayo Hospital Lahore. Biomedica 15 (1999) 88-91
20. Majed A., and Qayyum A. Presence of hepatitis B virus in healthy donors at blood unit of Punjab Institute of Cardiology Lahore. Pak J Med Res 39 (2000) 111-112
21. Ahmed F., Shah S.H., Tariq M., and Khan J.A. Prevalence of hepatitis B carrier and HIV in healthy blood donors at Ayub Teaching Hospital. Pak J Med Res 39 (2000) 91-92
22. Abdul M.S., Aamir K., and Mehmood K. Seroprevalence of HBV, HCV and HIV infections among college going first time voluntary blood donors. J Pak Med Assoc 50 (2000) 269-270
23. Ryas M., Hussain T., Bhatti F.A., Ahmed F., Uz Zaman Tariq W., and Khattak M.F. Epidemiology of hepatitis C virus infection in blood donors in Northern Pakistan. J Rawalpindi Med Coll 5 (2001) 56-59
24. Khattak M.F., Salamat N., Bhatti F.A., and Qureshi T.Z. Seroprevalence of hepatitis B, C and HIV in blood donors in northern Pakistan. J Pak Med Assoc 52 (2002) 398-402
25. Mumtaz S., Ur Rehman M., Muzaffar M., Ul Hassan M., and Iqbal W. Frequency of seropositive blood donors for hepatitis B, C and HIV viruses in railway hospital Rawalpindi. Pak J Med Res 41 (2002) 51-53
26. Rahman M.U., Akhtar G.N., and Lodhi Y. Transfusion transmitted HIV and HBV infections in Punjab, Pakistan. Pak J Med Sci 18 (2002) 18-25
27. Ahmad J., Taj A.S., Rahim A., Shah A., and Rehman M. Frequency of hepatitis B and hepatitis C in healthy blood donors of NWFP: a single center experience. J Postgrad Med Inst 18 (2004) 343-352
28. Asif N., Khokar N., and Ilahi F. Seroprevalence of HBV, HCV and HIV infection among voluntary non-renumerated and replacement donors in Northern Pakistan. Pak J Med Sci 20 (2004) 24-28
29. Mahmood M.A., Khawar S., Anjum A.H., Ahmed S.M., Rafiq S., Nazir I., et al. Prevalence of hepatitis B, C and HIV infection in blood donors of Multan region. Ann King Edward Med Coll 10 (2004) 459-461
30. Zaidi A., Tariq W.Z., Haider K.A., Ali L., Sattar A., Faqeer F., et al. Seroprevalence of hepatitis B, C and HIV in healthy blood donors in Northwest of Pakistan. Pak J Pathol 15 (2004) 11-16
31. Akhtar S., Younus M., Adil S., Hassan F., and Jafri S.H. Epidemiologic study of chronic hepatitis B virus infection in male volunteer blood donors in Karachi, Pakistan. BMC Gastroenterol 5 (2005) 26
32. Abdul M.S., Nanan D., Sabir S., Altaf A., and Kadir M. Hepatitis B and C infection in first-time blood donors in Karachi - a possible subgroup for sentinel surveillance. East Mediterr Health J 12 (2006) 735-741
33. Aziz M.S. Prevalence of anti hepatitis C antibodies and hepatitis B surface antigen in healthy blood donors in Baltistan. Pak Armed Forces Med J 56 (2006) 189-191
34. Ijaz A.U., Shafiq F., Toosi N.A., Malik M.N., and Qadeer R. Hepatitis B and hepatitis C in blood donors: analysis of 2-years data. Ann King Edward Med Coll 13 (2007) 59-61
35. Sultan F., Mehmood T., and Mahmood M.T. Infectious pathogens in volunteer and replacement blood donors in Pakistan: a ten-year experience. Int J Infect Dis 11 (2007) 407-412
36. Chaudhary I.A., Samiullah, Khan S.S., Masood R., Sardar M.A., and Mallhi A.A. Seroprevalence of hepatitis B and C among the healthy blood donors at Fauji Foundation Hospital, Rawalpindi. Pak J Med Sci 23 (2007) 64-67
37. Alam M., and Naeem M.A. Frequency of hepatitis B surface antigen and anti-hepatitis C antibodies in apparently healthy blood donors in Northern areas. Pakistan J Pathol 18 (2007) 11-14
38. Luby S.P., Qamruddin K., Shah A.A., Omair A., Pahsa O., Khan A.J., et al. The relationship between therapeutic injections and high prevalence of hepatitis C infection in Hafizabad, Pakistan. Epidemiol Infect 119 (1997) 349-356
39. Marri S.M., and Ahmed J. Prevalence of hepatitis B antigenaemia in general population of Quetta, Balochistan. Biomedica 13 (1997) 51-52
40. Tanwani A., and Ahmad N. Prevalence of hepatitis B surface antigen and anti-hepatitis C virus in laboratory based data at Islamabad. Pak J Surg 19-20 (2000) 25-29
41. Khokhar N., Gill M.L., and Malik G.J. General seroprevalence of hepatitis C and hepatitis B virus infections in population. J Coll Physicians Surg Pak 14 (2004) 534-536
42. Waseem R., Kashif M.A., Khan M., and Qureshi A.W. Seroprevalence of HBsAg and anti-HCV in Ghurki Teaching Hospital, Lahore. Ann King Edward Med Coll 11 (2005) 232-234
43. Abbas Z., Shazi L., and Jafri W. Prevalence of hepatitis B in individuals screened during a countrywide campaign in Pakistan. J Coll Physicians Surg Pak 16 (2006) 497-498
44. Mirza I.A., Mirza S.H., Irfan S., Siddiqi R., Tariq W.Z., and Janjua A.N. Seroprevalence of hepatitis B and C in young adults seeking recruitment in the armed forces. Pak Armed Forces Med J 56 (2006) 192-197
45. Sherif T.B., and Tariq W.Z. Seroprevalence of hepatitis B and C in healthy adult male recruits. Pakistan J Pathol 17 (2006) 147-150
46. Alam M., Tariq W.Z., Akram S., and Qureshi T.Z. Frequency of hepatitis B and C in central Punjab. Pakistan J Pathol 17 (2006) 140-141
47. Mirza I.A., Kazmi S.M., and Janjua A.N. Frequency of hepatitis B surface antigen and anti-HCV in young adults - experience in southern Punjab. J Coll Physicians Surg Pak 17 (2007) 114-115
48. Abdulla E.M., and Abdulla F.E. Seropositive HBsAg frequency in Karachi and interior Sindh, Pakistan. Pak J Med Sci 23 (2007) 157-160
49. Parker S.P., Khan H.I., and Cubitt W.D. Detection of antibodies to hepatitis C virus in dried blood spot samples from mothers and their offspring in Lahore, Pakistan. J Clin Microbiol 37 (1999) 2061-2063
50. Aslam M., and Aslam J. Seroprevalence of the antibody to hepatitis C in select groups in the Punjab region of Pakistan. J Clin Gastroenterol 33 (2001) 407-411
51. Hyder S.N., Hussain W., Aslam M., and Maqbool S. Seroprevalence of anti-HCV in asymptomatic children. Pak J Pathol 12 (2001) 89-93
52. Mujeeb S.A., Shahab S., and Hyder A.A. Geographical display of health information: study of hepatitis C infection in Karachi, Pakistan. Public Health 114 (2000) 413-415
53. Ahmad S., Gull J., Bano K.A., Aftab M., and Khokhar M.S. Prevalence of anti-hepatitis C antibodies in healthy blood donors at Services Hospital Lahore. Pak Postgrad Med J 13 (2002) 18-20
54. Rahman M.U., Akhtar G.N., and Lodhi Y. Seroprevalence of hepatitis C antibodies in blood donors. Pak J Med Sci 18 (2002) 193-196
55. Ali N., Nadeem M., Qamar A., Qureshi A.H., and Ejaz A. Frequency of hepatitis C virus antibodies in blood donors in Combined Military Hospital, Quetta. Pak J Med Sci 19 (2003) 41-44
56. Akhtar S., Younus M., Adil S., Jafri S.H., and Hassan F. Hepatitis C virus infection in asymptomatic male volunteer blood donors in Karachi, Pakistan. J Viral Hepat 11 (2004) 527-535
57. Chaudry N.T., Jameel W., Ihsan I., and Nasreen S. Hepatitis C. Prof Med J 12 (2005) 364-367
58. Ahmad N., Asgher M., Shafique M., and Qureshi J.A. Evidence of high prevalence of hepatitis C virus in Faisalabad, Pakistan. Saudi Med J 28 (2007) 390-395
59. Muhammad N., and Jan M.A. Frequency of hepatitis C in Buner, NWFP. J Coll Physicians Surg Pak 15 (2005) 11-14
60. Pasha O., Luby S.P., Khan A.J., Shah S.A., McCormick J.B., and Fisher-Hoch S.P. Household members of hepatitis C virus-infected people in Hafizabad, Pakistan: infection by injections from health care providers. Epidemiol Infect 123 (1999) 515-518
61. Akhtar S., Moatter T., Azam S.I., Rahbar M.H., and Adil S. Prevalence and risk factors for intrafamilial transmission of hepatitis C virus in Karachi, Pakistan. J Viral Hepat 9 (2002) 309-314
62. Akhtar S., and Moatter T. Intra-household clustering of hepatitis C virus infection in Karachi, Pakistan. Trans R Soc Trop Med Hyg 98 (2004) 535-539
63. Irfan A., and Arfeen S. Hepatitis C virus infection in spouses. Pak J Med Res 43 3 (2004) 113-116
64. Kumar N., Sattar R., and Ara J. Frequency of hepatitis C virus in the spouses of HCV positive patients and risk factors of the two groups. J Surg Pak 9 (2004) 36-39
65. Khokhar N., Gill M.L., and Alam A.Y. Interspousal transmission of hepatitis C virus. J Coll Physicians Surg Pak 15 (2005) 587-589
66. Qureshi H., Arif A., Ahmed W., and Alam S.E. HCV exposure in spouses of the index cases. J Pak Med Assoc 57 (2007) 175-177
67. Anwar M.S., Jaffery G., and Rasheed S.A. Serological screening of female prostitutes for anti-HIV and hepatitis B surface antigen. Pak J Health 35 (1998) 69-73
68. Baqi S., Shah S.A., Baig M.A., Mujeeb S.A., and Memon A. Seroprevalence of HIV, HBV and syphilis and associated risk behaviours in male transvestites (Hijras) in Karachi, Pakistan. J Pak Med Assoc 56 1 Suppl 1 (2006) S17-21
69. Bhatti F.A., Amin M., and Saleem M. Prevalence of antibody to hepatitis C virus in Pakistani thalassaemics by particle agglutination test utilizing C 200 and C 22-3 viral antigen coated particles. J Pak Med Assoc 45 (1995) 269-271
70. Abdul M.S., Shiekh M.A., Khanani R., and Jamal Q. Prevalence of hepatitis C virus infection among beta-thalassaemia major patients. Trop Doct 27 (1997) 105
71. Hussain M., Khan M.A., Mohammad J., and Jan A. Frequency of hepatitis B and C in hemophiliac children. Pak Pediatr J 27 (2003) 157-160
72. Mohammad J., Hussain M., and Khan M.A. Frequency of hepatitis B and hepatitis C infection in thalassemic children. Pak Pediatr J 27 (2003) 161-164
73. Younus M., Hassan K., Ikram N., Naseem L., Zaheer H.A., and Khan M.F. Hepatitis C seropositivity in repeatedly transfused thalassemia major patients. Int J Pathol 2 (2004) 20-23
74. Burki M.F., Hassan M., Hussain H., Nisar Y., and Krishan J. Prevalence of anti-hepatitis C antibodies in multiply transfused beta thalassemia major patients. Ann Pak Inst Med Sci 1 (2005) 150-153
75. Shah M.A., Khan M.T., Ulla Z., and Ashfaq Y. Prevalence of hepatitis B and hepatitis C virus infection in multi-transfused thalassemia major patients in North West Frontier Province. Pak J Med Sci 21 (2005) 281-283
76. Abdul M.S., Zuberi S.J., Lodi T.Z., and Mehmood K. Prevalence of HBV infection in health care personnel. J Pak Med Assoc 44 (1994) 265
77. Khan G.M., Malik M.N., Rana K., and Fayyaz A. Profile of hepatitis B surface antigen positivity in health care personnel. Mother Child 34 (1996) 135-138
78. Fazli Z., Asghar H., Baig N.U., Fahmi A., Dil A.S., Zaidi S.S., et al. Prevalence of hepatitis B virus in dental clinics in Rawalpindi/Islamabad. J Pak Med Assoc 48 (1998) 259
79. Mujeeb S.A., Khatri Y., and Khanani R. Frequency of parenteral exposure and seroprevalence of HBV, HCV, and HIV among operation room personnel. J Hosp Infect 38 (1998) 133-137
80. Tariq W.Z., Ghani E., and Karamat K.A. Hepatitis B in health care personnel. Pak Armed Forces Med J 50 (2000) 56-57
81. Aziz S., Memon A., Tily H.I., Rasheed K., Jehangir K., and Quraishy M.S. Prevalence of HIV, hepatitis B and C amongst health workers of Civil Hospital Karachi. J Pak Med Assoc 52 (2002) 92-94
82. Nadeem M., Yousaf M.A., Mansoor S., Mansoor S., Khan F.A., Zakaria M., et al. Seroprevalence of HBsAg and HCV antibodies in hospital workers compared to aged matched healthy blood donors. Pak J Pathol 15 (2004) 17-20
83. Mujeeb S.A., Shaikh M.A., and Kehar S.I. Prevalence of HB infection in haemodialysis patients. J Pak Med Assoc 44 (1994) 226
84. Khokhar N., Alam A.Y., and Naz F. Hepatitis B surface antigenemia in patients on hemodialysis. Rawalpindi Med J 29 (2004) 18-21
85. Gul A., and Iqbal F. Prevalence of hepatitis C in patients on maintenance haemodialysis. J Coll Physicians Surg Pak 13 (2003) 15-18
86. Khokhar N., Alam A.Y., Naz F., and Mahmud S.N. Risk factors for hepatitis C virus infection in patients on long-term hemodialysis. J Coll Physicians Surg Pak 15 (2005) 326-328
87. Mehnaz A., Hashmi H., Syed S., and Kulsoom. Hepatitis B markers in mothers and its transmission in newborn. J Coll Physicians Surg Pak 12 (2002) 240-242
88. GuleRana, Akmal N., and Akhtar N. Prevalence of hepatitis B in pregnant females. Ann King Edward Med Coll 12 (2006) 313
89. Yousfani S., Mumtaz F., Memon A., Memon M.A., and Sikandar R. Antenatal screening for hepatitis B and C virus carrier state at a University Hospital. J Liaqat Univ Med Health Sci 5 (2006) 24-27
90. Zafar M.A., Mohsin A., Husain I., and Shah A.A. Prevalence of hepatitis C among pregnant women. J Surg Pak 6 (2001) 32-33
91. Rizvi T.J., and Fatima H. Frequency of hepatitis C in obstetric cases. J Coll Physicians Surg Pak 13 (2003) 688-690
92. Khokhar N., Raja K.S., and Javaid S. Seroprevalence of hepatitis C virus infection and its risk factors in pregnant women. J Pak Med Assoc 54 (2004) 135
93. Jaffery T., Tariq N., Ayub R., and Alam A.Y. Frequency of hepatitis C in pregnancy and pregnancy outcome. J Coll Physicians Surg Pak 15 (2005) 716-719
94. Simonsen L., Kane A., Lloyd J., Zaffran M., and Kane M. Unsafe injections in the developing world and transmission of bloodborne pathogens: a review. Bull World Health Organ 77 (1999) 789-800
95. Hauri A.M., Armstrong G.L., and Hutin Y.J. The global burden of disease attributable to contaminated injections given in health care settings. Int J STD AIDS 15 (2004) 7-16
96. Khan A.J., Luby S.P., Fikree F., Karim A., Obaid S., Dellawala S., et al. Unsafe injections and the transmission of hepatitis B and C in a periurban community in Pakistan. Bull World Health Organ 78 (2000) 956-963
97. Usman H.R., Akhtar S., Rahbar M.H., Hamid S., Moattar T., and Luby S.P. Injections in health care settings: a risk factor for acute hepatitis B virus infection in Karachi, Pakistan. Epidemiol Infect 130 (2003) 293-300
98. Bari A., Akhtar S., Rahbar M.H., and Luby S.P. Risk factors for hepatitis C virus infection in male adults in Rawalpindi-Islamabad, Pakistan. Trop Med Int Health 6 (2001) 732-738
99. Shazi L., and Abbas Z. Comparison of risk factors for hepatitis B and C in patients visiting a gastroenterology clinic. J Coll Physicians Surg Pak 16 (2006) 104-107
100. Luby S., Hoodbhoy F., Jan A., Shah A., and Hutin Y. Long-term improvement in unsafe injection practices following community intervention. Int J Infect Dis 9 (2005) 52-59
101. Luby S., Khanani R., Zia M., Vellani Z., Ali M., Qureshi A.H., et al. Evaluation of blood bank practices in Karachi, Pakistan, and the government's response. J Pak Med Assoc 56 1 Suppl 1 (2006) S25-30
102. Ahmed M. Hepatitis B surface antigen study in professional and volunteer blood donors. Ann Abbasi Shaheed Hospital Karachi Med Dental Coll 6 (2001) 304-306
103. Drug abuse in Pakistan - results from year 2000 national assessment. Pakistan: United Nations Office for Drug Control and Crime Prevention and The Narcotics Control Division, Anti-Narcotics Force, Government of Pakistan; 2000.
104. Kuo I., Ul-Hasan S., Galai N., Thomas D.L., Zafar T., Ahmed M.A., et al. High HCV seroprevalence and HIV drug use risk behaviors among injection drug users in Pakistan. Harm Reduct J 3 (2006) 26
105. Achakzai M., Kassi M., and Kasi P.M. Seroprevalences and co-infections of HIV, hepatitis C virus and hepatitis B virus in injecting drug users in Quetta, Pakistan. Trop Doct 37 (2007) 43-45
106. Pilot survey of vulnerable populations of IDUs, FSWs, MSWs, and Hijras in Karachi. Pakistan: The Consultant Group, Infection Control Society P, Pakistan AIDS Prevention Society, Interactive Research and Development; 2005.
107. National study of reproductive tract and sexually transmitted infections - survey of high risk groups in Lahore and Karachi. Pakistan: National AIDS Control Program, Ministry of Health, Government of Pakistan/Family Health International/Department for International Development; 2005.
108. Immunization profile - Pakistan. Geneva: World Health Organization; 2006. Available at: http://www.who.int/vaccines/globalsummary/immunization/countryprofileresult.cfm?C='pak' (accessed August 2008).
109. Janjua N.Z., and Nizamy M.A. Knowledge and practices of barbers about hepatitis B and C transmission in Rawalpindi and Islamabad. J Pak Med Assoc 54 (2004) 116-119
110. Vandelli C., Renzo F., Romano L., Tisminetzky S., De Palma M., Stroffolini T., et al. Lack of evidence of sexual transmission of hepatitis C among monogamous couples: results of a 10-year prospective follow-up study. Am J Gastroenterol 99 (2004) 855-859
111. Alary M., Joly J.R., Vincelette J., Lavoie R., Turmel B., and Remis R.S. Lack of evidence of sexual transmission of hepatitis C virus in a prospective cohort study of men who have sex with men. Am J Public Health 95 (2005) 502-505
112. Lobato C., Tavares-Neto J., Rios-Leite M., Trepo C., Vitvitski L., Parvaz P., et al. Intrafamilial prevalence of hepatitis B virus in Western Brazilian Amazon region: epidemiologic and biomolecular study. J Gastroenterol Hepatol 21 (2006) 863-868
113. Abdool Karim S.S., Thejpal R., and Coovadia H.M. Household clustering and intra-household transmission patterns of hepatitis B virus infection in South Africa. Int J Epidemiol 20 (1991) 495-503
114. Zervou E.K., Gatselis N.K., Xanthi E., Ziciadis K., Georgiadou S.P., and Dalekos G.N. Intrafamilial spread of hepatitis B virus infection in Greece. Eur J Gastroenterol Hepatol 17 (2005) 911-915
115. Transmission of hepatitis B and C viruses in outpatient settings - New York, Oklahoma, and Nebraska, 2000-2002. MMWR Morb Mortal Wkly Rep 2003;52:901-6.
116. Transmission of hepatitis B virus among persons undergoing blood glucose monitoring in long-term-care facilities - Mississippi, North Carolina, and Los Angeles County, California, 2003-2004. MMWR Morb Mortal Wkly Rep 2005;54:220-3.
117. Transmission of hepatitis B virus in correctional facilities - Georgia, January 1999-June 2002. MMWR Morb Mortal Wkly Rep 2004;53:678-81.
118. Hutin Y.J., Hauri A.M., and Armstrong G.L. Use of injections in healthcare settings worldwide, 2000: literature review and regional estimates. BMJ 327 (2003) 1075
119. Janjua N.Z., Hutin Y.J., Akhtar S., and Ahmad K. Population beliefs about the efficacy of injections in Pakistan's Sindh province. Public Health 120 (2006) 824-833
120. Altaf A., Fatmi Z., Ajmal A., Hussain T., Qahir H., and Agboatwalla M. Determinants of therapeutic injection overuse among communities in Sindh, Pakistan. J Ayub Med Coll Abbottabad 16 (2004) 35-38
121. Raglow G.J., Luby S.P., and Nabi N. Therapeutic injections in Pakistan: from the patients' perspective. Trop Med Int Health 6 (2001) 69-75
122. Janjua N.Z. Injection practices and sharp waste disposal by general practitioners of Murree, Pakistan. J Pak Med Assoc 53 (2003) 107-111
123. Janjua N.Z., Akhtar S., and Hutin Y.J. Injection use in two districts of Pakistan: implications for disease prevention. Int J Qual Health Care 17 (2005) 401-408
124. Kazi B.M. Standards and guidelines for blood transfusion services (1999), World Health Organization/National Institute of Health, Federal Health Ministry, Government of Pakistan, Islamabad, Pakistan
125. Rahman M., and Jawaid S.A. Need for national blood policy to ensure safe blood transfusion. Pak J Med Sci 20 (2004) 81-84