Erratum: Prevalence and control of H7 avian influenza viruses in birds and humans (Epidemiology and Infection (2014) DOI: 10.1017/S0950268813003324);Prevalence and control of H7 avian influenza viruses in birds and humans

Epidemiology and Infection

Volumn 142, Issue 5, 2014, Pages 896-920

  Abdelwhab, E M ^a   Veits, J ^a   Mettenleiter, T C ^a  

^a FEDERAL RESEARCH INSTITUTE FOR ANIMAL HEALTH   (Germany)

Author keywords

Avian influenza virus; control; epidemiology; pandemic; poultry; subtype H7; vaccination; wild birds; zoonotic

Indexed keywords

1 (5 ISOQUINOLINESULPHONYL) 2 METHYLPIPERAZINE; 3 DEAZAADENOSINE; AMANTADINE; DNA VACCINE; INFLUENZA VACCINE; INFLUENZA VIRUS HEMAGGLUTININ; LIVE VACCINE; PIPERAZINE DERIVATIVE; UNCLASSIFIED DRUG; VIRUS SIALIDASE; VIRUS VECTOR; 1 (5 ISOQUINOLINESULFONYL) 2 METHYLPIPERAZINE; ADENOVIRUS VECTOR; BACULOVIRUS VECTOR; GREEN TEA EXTRACT; OSELTAMIVIR; PERAMIVIR; POXVIRUS VECTOR; RETROVIRUS VECTOR;

ANTIGENICITY; ANTIVIRAL RESISTANCE; AVIAN INFLUENZA; AVIAN INFLUENZA VIRUS; BACULOVIRUS; DOMESTIC FOWL; EPIDEMIC; EUROPE; GEOGRAPHIC DISTRIBUTION; HA GENE; HERPES VIRUS; HUMAN; INFECTION CONTROL; INFECTION PREVENTION; INFLUENZA VACCINATION; INFLUENZA VIRUS A H7N2; INFLUENZA VIRUS A H7N3; INFLUENZA VIRUS A H7N7; INFLUENZA VIRUS A H7N9; NA GENE; NEWCASTLE DISEASE PARAMYXOVIRUS; NONHUMAN; POULTRY; RETROVIRUS; REVIEW; RISK FACTOR; VESICULAR STOMATITIS VIRUS; VIRAL GENE DELIVERY SYSTEM; VIRUS DETECTION; VIRUS GENE; VIRUS RECOMBINANT; VIRUS STRAIN; WESTERN HEMISPHERE; WILD SPECIES; ANTIVIRAL SUSCEPTIBILITY; ANTIVIRAL THERAPY; BIRD; DNA IMMUNIZATION; INFLUENZA A; INFLUENZA VIRUS A; INFLUENZA VIRUS A H7; INFLUENZA VIRUS A H7N1; INFLUENZA VIRUS A H7N4; INFLUENZA VIRUS A H7N5; INFLUENZA VIRUS A H7N6; INFLUENZA VIRUS A H7N8; PREVALENCE; VIRUS VIRULENCE;

ANIMALS; ANIMALS, WILD; BIRDS; HUMANS; INFLUENZA A VIRUS, H7N3 SUBTYPE; INFLUENZA A VIRUS, H7N7 SUBTYPE; INFLUENZA IN BIRDS; INFLUENZA, HUMAN; POULTRY; ZOONOSES;

EID: 84897377554     PISSN: 09502688     EISSN: 14694409     Source Type: Journal    
DOI: 10.1017/S0950268814000235     Document Type: Erratum

References (256)

1. Alexander DJ. A review of avian influenza in different bird species. Veterinary Microbiology 2000; 74: 3-13
2. Webster RG, et al. Conjunctivitis in human beings caused by influenza A virus of seals. New England Journal of Medicine 1981; 304: 911
3. Lang G, Gagnon A, Geraci Jr. Isolation of an influenza A virus from seals. Archives of Virology 1981; 68: 189-195
4. Kwon TY, et al. Genetic characterization of H7N2 influenza virus isolated from pigs. Veterinary Microbiology 2011; 153: 393-397
5. Gibson CA, et al. Sequence analysis of the equine H7 influenza virus haemagglutinin gene. Virus Research 1992; 22: 93-106
6. Peiris MJS. Avian influenza viruses in humans. Revue Scientifique et Technique, Office International des Epizooties 2009; 28: 161-173
7. Hayden F, Croisier A. Transmission of avian influenza viruses to and between humans. Journal of Infectious Diseases 2005; 192: 1311-1314
8. Berhane Y, et al. Highly pathogenic avian influenza virus A (H7N3) in domestic poultry, Saskatchewan, Canada, 2007. Emerging Infectious Diseases 2009; 15: 1492-1495
9. Campitelli L, et al. Interspecies transmission of an H7N3 influenza virus from wild birds to intensively reared domestic poultry in Italy. Virology 2004; 323: 24-36
10. Terregino C, et al. Active surveillance for avian influenza viruses in wild birds and backyard flocks in Northern Italy during 2004 to 2006. Avian Pathology 2007; 36: 337-344
11. Boyce WM, et al. Avian influenza viruses in wild birds: A moving target. Comparative Immunology, Microbiology and Infectious Diseases 2009; 32: 275-286
12. Chander Y, et al. Molecular and phylogenetic analysis of matrix gene of avian influenza viruses isolated from wild birds and live bird markets in the USA. Influenza and Other Respiratory Viruses 2013; 7: 513-520
13. Pepin KM, et al. Multiannual patterns of influenza A transmission in Chinese live bird market systems. Influenza and Other Respiratory Viruses 2013; 7: 97-107
14. Chen Y, et al. Human infections with the emerging avian influenza A H7N9 virus from wet market poultry: Clinical analysis and characterisation of viral genome. Lancet 2013
15. Kim HR, et al. Low pathogenic H7 subtype avian influenza viruses isolated from domestic ducks in South Korea and the close association with isolates of wild birds. Journal of General Virology 2012; 93: 1278-1287
16. Anon. Health Protection Report: Avian influenza A/H7N3 in poultry in Norfolk (www.hpa.org.uk/CDR/archives/2006/cdr1806.pdf). Accessed 14 May 2013
17. Terregino C, et al. Isolation of influenza A viruses subtype H7N7 and H7N4 from waterfowl in Italy. Veterinary Record 2005; 156: 292
18. Garber L, et al. Description of live poultry markets in the United States and factors associated with repeated presence of H5/H7 low-pathogenicity avian influenza virus. Avian Diseases 2007; 51: 417-420
19. Trock SC, Huntley JP. Surveillance and control of avian influenza in the New York live bird markets. Avian Diseases 2010; 54: 340-344
20. Banks J, et al. Phylogenetic analysis of H7 haemagglutinin subtype influenza A viruses. Archives of Virology 2000; 145: 1047-1058
21. Bulach D, et al. Molecular analysis of H7 avian influenza viruses from Australia and New Zealand: Genetic diversity and relationships from 1976 to 2007. Journal of Virology 2010; 84: 9957-9966
22. Lebarbenchon C, Stallknecht DE. Host shifts and molecular evolution of H7 avian influenza virus hemagglutinin. Virology Journal 2011; 8: 328
23. Krauss S, et al. Influenza in migratory birds and evidence of limited intercontinental virus exchange. PLoS Pathogens 2007; 3: E167
24. Spackman E, et al. Anavian influenza virus fromwaterfowl in South America contains genes from North American avian and equine lineages. Avian Diseases 2007; 51: 273-274
25. Campitelli L, et al. Molecular analysis of avian H7 influenza viruses circulating in Eurasia in 1999-2005: Detection of multiple reassortant virus genotypes. Journal of General Virology 2008; 89: 48-59
26. Metreveli G, et al. Phylogenetic analysis of the hemagglutinin gene of low pathogenic avian influenza virus H7N7 strains in mallards in Northern Europe. Avian Diseases 2010; 54: 453-456
27. Munster VJ, et al. Mallards and highly pathogenic avian influenza ancestral viruses, northern Europe. Emerging Infectious Diseases 2005; 11: 1545-1551
28. Smietanka K, et al. Evidence of persistence and multiple genetic modifications of H7N7 low-pathogenic avian influenza virus in wild mallards in Poland provided by phylogenetic studies. Avian Pathology 2011; 40: 131-138
29. Li Y, et al. Characterization of an avian influenza virus of subtype H7N2 isolated from chickens in northern China. Virus Genes 2006; 33: 117-122
30. Szeleczky Z, et al. Characterization of two low pathogenic avian influenza viruses isolated in Hungary in 2007. Veterinary Microbiology 2010; 145: 142-147
31. Dugan VG, et al. Phylogenetic analysis of low pathogenicity H5N1 and H7N3 influenza A virus isolates recovered from sentinel, free flying, wild mallards at one study site during 2006. Virology 2011; 417: 98-105
32. Beato MS, et al. A proof-of-principle study to identify suitable vaccine seed candidates to combat introductions of Eurasian lineage H5 and H7 subtype avian influenza viruses. Avian Pathology 2010; 39: 375-382
33. Aamir UB, et al. Zoonotic potential of highly pathogenic avian H7N3 influenza viruses from Pakistan. Virology 2009; 390: 212-220
34. Abbas MA, et al. Sequence and phylogenetic analysis of H7N3 avian influenza viruses isolated from poultry in Pakistan 1995-2004. Virology Journal 2010; 7: 137
35. CDC. Notes from the field: Highly pathogenic avian influenza A (H7N3) virus infection in two poultry workers - Jalisco, Mexico, July 2012. Morbidity and Mortality Weekly Report 2012; 61: 726-727
36. Kapczynski DR, et al. Characterization of the 2012 highly pathogenic avian influenza H7N3 virus isolated from poultry in an outbreak in Mexico: Pathobiology and vaccine protection. Journal of Virology 2013; 87: 9086-9096
37. WHO. Human infection with avian influenza A(H7N9) virus - update (http://www.who.int/influenza/human- animal-interface/influenza-h7n9/Data- Reports/en/index. html). Accessed 16 July 2013. 2013
38. Lee DH, et al. Characterization of low-pathogenicity H5 and H7 Korean avian influenza viruses in chickens. Poultry Science 2012; 91: 3086-3090
39. Olsen B, et al. Global patterns of influenza a virus in wild birds. Science 2006; 312: 384-388
40. Spackman E, et al. The pathogenesis of low pathogenicity H7 avian influenza viruses in chickens, ducks and turkeys. Virology Journal 2010; 7: 331
41. Spackman E, et al. H7N3 avian influenza virus found in a South American wild duck is related to the Chilean 2002 poultry outbreak, contains genes from equine and North American wild bird lineages, and is adapted to domestic turkeys. Journal of Virology 2006; 80: 7760-7764
42. Marche S, et al. Different replication profiles in specific-pathogen-free chickens of two H7 low pathogenic avian influenza viruses isolated from wild birds. Avian Diseases 2012; 56: 959-965
43. Ladman BS, et al. Potential of low pathogenicity avian influenza viruses of wild bird origin to establish experimental infections in turkeys and chickens. Avian Diseases 2010; 54: 1091-1094
44. Song H, et al. Partial direct contact transmission in ferrets of a mallard H7N3 influenza virus with typical avian-like receptor specificity. Virology Journal 2009; 6: 126
45. Driskell EA, et al. Avian influenza virus isolates from wild birds replicate and cause disease in a mouse model of infection. Virology 2010; 399: 280-289
46. Hansbro PM, et al. Surveillance and analysis of avian influenza viruses, Australia. Emerging Infectious Diseases 2010; 16: 1896-1904
47. Goujgoulova G, Petkova AM, Georgiev G. Avian influenza viruses isolated from mallards in Bulgaria. Avian Diseases 2010; 54: 450-452
48. Pasick J, et al. Survey of influenzaAviruses circulating in wild birds in Canada 2005 to 2007. Avian Diseases 2010; 54: 440-445
49. Pasick J, Pedersen J, Hernandez MS. Avian influenza in North America, 2009-2011. Avian Diseases 2012; 56: 845-848
50. Nagy A, et al. Digital genotyping of avian influenza viruses of H7 subtype detected in central Europe in 2007-2011. Virus Research 2012; 165: 126-133
51. Aly MM, et al. Isolation of a low pathogenic avian influenza virus (H7N7) from a black kite (Milvus migrans) in Egypt in 2005. Avian Diseases 2010; 54: 457-460
52. Soliman A, et al. Surveillance of avian influenza viruses in migratory birds in Egypt, 2003-09. Journal of Wildlife Diseases 2012; 48: 669-675
53. Lewis NS, et al. Avian influenza virus surveillance in wild birds in Georgia: 2009-2011. PLoS ONE 2013; 8: E58534
54. Sakabe S, et al. A vaccine prepared from a nonpathogenic H7N7 virus isolated from natural reservoir conferred protective immunity against the challenge with lethal dose of highly pathogenic avian influenza virus in chickens. Vaccine 2008; 26: 2127-2134
55. Jahangir A, et al. Avian influenza and Newcastle disease viruses from northern pintail in Japan: Isolation, characterization and inter-Annual comparisons during 2006-2008. Virus Research 2009; 143: 44-52
56. Kang HM, et al. Genetic analyses of avian influenza viruses in Mongolia, 2007 to 2009, and their relationships with Korean isolates from domestic poultry and wild birds. Poultry Science 2011; 90: 2229-2242
57. Henriques AM, et al. Multiyear surveillance of influenza A virus in wild birds in Portugal. Avian Pathology 2011; 40: 597-602
58. Slavec B, et al. Surveillance of influenza A viruses in wild birds in Slovenia from 2006 to 2010. Avian Diseases 2012; 56: 999-1005
59. Kang HM, et al. Surveillance of avian influenza virus in wild bird fecal samples from South Korea, 2003-2008. Journal of Wildlife Diseases 2010; 46: 878-888
60. Cheng MC, et al. Avian influenza monitoring in migrating birds in Taiwan during 1998-2007. Avian Diseases 2010; 54: 109-114
61. Muzyka D, et al. Avian influenza virus wild bird surveillance in the Azov and Black Sea regions of Ukraine (2010-2011). Avian Diseases 2012; 56: 1010-1016
62. Hanson BA, et al. Avian influenza viruses in Minnesota ducks during 1998-2000. Avian Diseases 2003; 47: 867-871
63. Ferro PJ, et al. Multiyear surveillance for avian influenza virus in waterfowl from wintering grounds, Texas coast, USA. Emerging Infectious Diseases 2010; 16: 1224-1230
64. Senne DA. Avian influenza in North and South America, the Caribbean, and Australia, 2006-2008. Avian Diseases 2010; 54: 179-186
65. Van Borm S, et al. Genetic characterization of low pathogenic H5N1 and co-circulating avian influenza viruses in wild mallards (Anas platyrhynchos) in Belgium, 2008. Avian Pathology 2011; 40: 613-628
66. Therkildsen OR, et al. Low pathogenic avian influenza (H7N1) transmission between wild ducks and domestic ducks. Zoonoses and Public Health 2011; 58: 312-317
67. Hulsager CK, et al. Surveillance for avian influenza viruses in wild birds in Denmark and Greenland, 2007-10. Avian Diseases 2012; 56: 992-998
68. Gall A, et al. Rapid haemagglutinin subtyping and pathotyping of avian influenza viruses by a DNA microarray. Journal of Virological Methods 2009; 160: 200-205
69. Kageyama T, et al. Genetic analysis of novel avian A(H7N9) influenza viruses isolated from patients in China, February to April 2013. Eurosurveillance 2013; 18(15
70. Busquets N, et al. Influenza A virus subtypes in wild birds in North-Eastern Spain (Catalonia). Virus Research 2010; 149: 10-18
71. Tsukamoto K, et al. Broad detection of diverse H5 and H7 hemagglutinin genes of avian influenza viruses by real-Time reverse transcription-PCR using primer and probe sets containing mixed bases. Journal of Clinical Microbiology 2010; 48: 4275-4278
72. Ghersi BM, et al. Isolation of low-pathogenic H7N3 avian influenza from wild birds in Peru. Journal of Wildlife Diseases 2011; 47: 792-795
73. Hanson BA, et al. Avian influenza viruses and paramyxoviruses in wintering and resident ducks in Texas. Journal ofWildlife Diseases 2005; 41: 624-628
74. Hanson BA, et al. Is the occurrence of avian influenza virus in Charadriiformes species and location dependent? Journal of Wildlife Diseases 2008; 44: 351-361
75. Wilcox BR, et al. Influenza-A viruses in ducks in northwesternMinnesota: Fine scale spatial and temporal variation in prevalence and subtype diversity. PLoS ONE 2011; 6: E24010
76. Gonzalez-Reiche AS, et al. Influenza a viruses from wild birds in Guatemala belong to the North American lineage. PLoS ONE 2012; 7: E32873
77. Perez RE, et al. Detection of low pathogenic avian influenza viruses in wild birds in Castilla-La Mancha (south central Spain). Veterinary Microbiology 2010; 146: 200-208
78. Haynes L, et al. Australian surveillance for avian influenza viruses in wild birds between July 2005 and June 2007. Australian Veterinary Journal 2009; 87: 266-272
79. Vergara-Alert J, et al. Exposure to a low pathogenic A/H7N2 virus in chickens protects against highly pathogenic A/H7N1 virus but not against subsequent infection with A/H5N1. PLoS ONE 2013; 8: E58692
80. Obenauer JC, et al. Large-scale sequence analysis of avian influenza isolates. Science 2006; 311: 1576-1580
81. Shengqing Y, et al. Isolation of myxoviruses from migratory waterfowls in San-in district, western Japan in winters of 1997-2000. Journal of Veterinary Medical Science 2002; 64: 1049-1052
82. Gambaryan AS, et al. Receptor-binding profiles of H7 subtype influenza viruses in different host species. Journal of Virology 2012; 86: 4370-4379
83. Kulak MV, et al. Surveillance and identification of influenza A viruses in wild aquatic birds in the Crimea, Ukraine (2006-2008). Avian Diseases 2010; 54: 1086-1090
84. Baumer A, et al. Epidemiology of avian influenza virus in wild birds in Switzerland between 2006 and 2009. Avian Diseases 2010; 54: 875-884
85. Cumming GS, et al. The ecology of influenzaAviruses in wild birds in southern Africa. EcoHealth 2011; 8: 4-13
86. Werner O, et al. Avian influenza outbreaks in Germany - development of new avian vaccines. In: Klenk H-D, Matrosovich MN, Stech J, eds. Avian Influenza. Basel: Karger, 2008, pp. 71-87
87. Couacy-Hymann E, et al. Surveillance for avian influenza and Newcastle disease in backyard poultry flocks in Cote d'Ivoire, 2007-2009. Revue Scientifique et Technique, Office International des Epizooties 2012; 31: 821-828
88. Afifi MA, et al. Serological surveillance reveals widespread influenza A H7 and H9 subtypes among chicken flocks in Egypt. Tropical Animal Health and Production 2013; 45: 687-690
89. Pawar SD, et al. Avian influenza surveillance reveals presence of low pathogenic avian influenza viruses in poultry during 2009-2011 in the West Bengal State, India. Virology Journal 2012; 9: 151
90. Senne DA. Avian influenza in the Western Hemisphere including the Pacific Islands and Australia. Avian Diseases 2003; 47: 798-805
91. Senne DA. Avian influenza in North and South America, 2002-2005. Avian Diseases 2007; 51: 167-173
92. Lupiani B, Reddy SM. The history of avian influenza. Comparative Immunology, Microbiology and Infectious Diseases 2009; 32: 311-323
93. Stubbs EL. Fowl pest. Journal of the American Veterinary Medical Association 1926; 21: 561-569
94. Beard CW, Helfer DH. Isolation of two turkey influenza viruses in Oregon. Avian Diseases 1972; 16: 1133-1136
95. Alexander DJ, Spackman D. Characterization of influenza-A viruses isolated from turkeys in England during March-May 1979. Avian Pathology 1981; 10: 281-293
96. Westbury HA. History of highly pathogenic avian influenza in Australia. In: Swayne D, Slemons R, eds. Proceedings of the Fourth International Symposium on Avian Influenza. Athens, Georgia: US Animal Health Association, 1997, pp. 23-30
97. Pasick J, Berhane Y, Hooper-McGrevy K. Avian influenza: The Canadian experience. Revue Scientifique et Technique, Office International des Epizooties 2009; 28: 349-358
98. Pasick J, et al. Characterization of avian influenza virus isolates submitted to the National Centre for Foreign Animal Disease between 1997 and 2001. Avian Diseases 2003; 47: 1208-1213
99. Capua I, Alexander DJ. Avian influenza: Recent developments. Avian Pathology 2004; 33: 393-404
100. De Marco MA, et al. Influenza virus circulation in wild aquatic birds in Italy during H5N2 and H7N1 poultry epidemic periods (1998 to 2000). Avian Pathology 2005; 34: 480-485
101. Banks J, et al. Changes in the haemagglutinin and the neuraminidase genes prior to the emergence of highly pathogenic H7N1 avian influenza viruses in Italy. Archives of Virology 2001; 146: 963-973
102. Capua I, et al. H7N1 avian influenza in Italy (1999 to 2000) in intensively reared chickens and turkeys. Avian Pathology 2000; 29: 537-543
103. Capua I, et al. The 1999-2000 avian influenza (H7N1) epidemic in Italy: Veterinary and human health implications. Acta Tropica 2002; 83: 7-11
104. Capua I, et al. Avian influenza in Italy 1997-2001. Avian Diseases 2003; 47: 839-843
105. Cecchinato M, et al. Low pathogenicity avian influenza in Italy during 2007 and 2008: Epidemiology and control. Avian Diseases 2010; 54: 323-328
106. OIE. Low pathogenic avian influenza (poultry): Summary of immediate notifications and follow-ups, 2013 (http://www.oie.int/wahis-2/public/wahid.php/ Diseaseinformation/Immsummary). Accessed 16 May 2013
107. Sinclair M, Bruckner GK, Kotze JJ. Avian influenza in ostriches: Epidemiological investigation in the Western Cape Province of South Africa. Veterinaria Italiana 2006; 42: 69-76
108. Manvell RJ, et al. Pathogenesis of H7 influenza A viruses isolated from ostriches in the homologous host infected experimentally. Avian Diseases 2003; 47: 1150-1153
109. Rohm C, et al. Do hemagglutinin genes of highly pathogenic avian influenza viruses constitute unique phylogenetic lineages? Virology 1995; 209: 664-670
110. Eames KT, et al. Assessing the role of contact tracing in a suspected H7N2 influenza A outbreak in humans in Wales. BMC Infectious Diseases 2010; 10: 141
111. Editorial Team. Avian influenza A/(H7N2) outbreak in the United Kingdom. Eurosurveillance 2007; 12(22
112. Anon. Health Protection Report: Avian influenza H7N2 in Wales and the Northwest of England, 2007 (http://www.hpa.org.uk/hpr/archives/2007/news2007/ news2207.htm#av-flu). Accessed 14 May 2013
113. Brown IH. Summary of avian influenza activity in Europe, Asia, and Africa, 2006-2009. Avian Diseases 2010; 54: 187-193
114. Senne DA, et al. Molecular and biological characteristics of H5 and H7 avian influenza viruses in live-bird markets of the northeastern United States, 1994-2001. Avian Diseases 2003; 47: 898-904
115. Suarez DL, Spackman E, Senne DA. Update on molecular epidemiology of H1, H5, and H7 influenza virus infections in poultry in North America. Avian Diseases 2003; 47: 888-897
116. Davison S, Eckroade RJ, Ziegler AF. A review of the 1996-98 nonpathogenic H7N2 avian influenza outbreak in Pennsylvania. Avian Diseases 2003; 47: 823-827
117. Henzler DJ, et al. Epidemiology, production losses, and control measures associated with an outbreak of avian influenza subtype H7N2 in Pennsylvania (1996-98). Avian Diseases 2003; 47: 1022-1036
118. Panigrahy B, Senne DA, Pedersen JC. Avian influenza virus subtypes inside and outside the live bird markets, 1993-2000: A spatial and temporal relationship. Avian Diseases 2002; 46: 298-307
119. Dunn PA, et al. Summary of the 2001-02 Pennsylvania H7N2 low pathogenicity avian influenza outbreak in meat type chickens. Avian Diseases 2003; 47: 812-816
120. Spackman E, et al. Sequence analysis of recent H7 avian influenza viruses associated with three different outbreaks in commercial poultry in the United States. Journal of Virology 2003; 77: 13399-13402
121. Lee CW, et al. Pathogenic potential of North American H7N2 avian influenza virus: A mutagenesis study using reverse genetics. Virology 2006; 353: 388-395
122. Suarez DL, et al. Phylogenetic analysis of H7 avian influenza viruses isolated from the live bird markets of the Northeast United States. Journal of Virology 1999; 73: 3567-3573
123. Forsyth WM, Grix DC, Gibson CA. Diagnosis of highly pathogenic avian influenza in chickens: Bendigo 1992. Australian Veterinary Journal 1993; 70: 118-119
124. Bowes VA, et al. Virus characterization, clinical presentation, and pathology associated with H7N3 avian influenza in British Columbia broiler breeder chickens in 2004. Avian Diseases 2004; 48: 928-934
125. Pasick J, et al. Diagnostic test results and pathology associated with the 2007 Canadian H7N3 highly pathogenic avian influenza outbreak. Avian Diseases 2010; 54: 213-219
126. Suarez DL, et al. Recombination resulting in virulence shift in avian influenza outbreak, Chile. Emerging Infectious Diseases 2004; 10: 693-699
127. Hai-bo W, et al. Sequence and phylogenetic analysis of H7N3 avian influenza viruses isolated from poultry in China in 2011. Archives of Virology 2012; 157: 2017-2021
128. Capua I, et al. Vaccination as a tool to combat introductions of notifiable avian influenza viruses in Europe, 2000 to 2006. Revue Scientifique et Technique, Office International des Epizooties 2009; 28: 245-259
129. Capua I, Marangon S. The use of vaccination to combat multiple introductions of Notifiable Avian Influenza viruses of the H5 and H7 subtypes between 2000 and 2006 in Italy. Vaccine 2007; 25: 4987-4995
130. OIE. Update on highly pathogenic avian influenza in animals (type H5 or H7), 2013 (http://www.oie.int/animal-health-in-The-world/update-on-Avian- influenza). Accessed 16 May 2013
131. FAO. EMPRES-i, 2013 (http://empres-i.fao.org/eipws3 g). Accessed 14 May 2013
132. FAO. Highly pathogenic avian influenza in Mexico (H7N3): A signifcant threat to poultry production not be underestimated. Rome, Italy, 2012
133. WHO. Antigenic and genetic charcteristics of zoonotic influenza viruses and development of candidate vaccine viruses for pandemic preparedness. Weekly Epidemiological Record 2012; 87: 401-412
134. Maurer-Stroh S, et al. The highly pathogenic H7N3 avian influenza strain from July 2012 in Mexico acquired an extended cleavage site through recombination with host 28S rRNA. Virology Journal 2013; 10: 139
135. Naeem K, Hussain M. An outbreak of avian influenza in poultry in Pakistan. Veterinary Record 1995; 137: 439
136. Naeem K, et al. Avian influenza in Pakistan: Outbreaks of low- And high-pathogenicity avian influenza in Pakistan during 2003-2006. Avian Diseases 2007; 51: 189-193
137. Naeem K, Siddique N. Use of strategic vaccination for the control of avian influenza in Pakistan. Developments in Biologicals 2006; 124: 145-150
138. Iqbal M, et al. Novel genotypes of H9N2 influenza A viruses isolated from poultry in Pakistan containing NS genes similar to highly pathogenic H7N3 and H5N1 viruses. PLoS ONE 2009; 4: E5788
139. Manvell RJ, et al. Isolation of a highly pathogenic influenza A virus of subtype H7N3 from a peregrine falcon (Falco peregrinus). Avian Pathology 2000; 29: 635-637
140. Defra. Low pathogenic avian influenza (H7N3) outbreak in Norfolk, England, April-May 2006. Final epidemiology report, Department for Environment, Food and Rural Affairs, 2006 (http://www.defra.gov. uk/animalh/diseases/ notifiable/disease/ai/pdf/epireport 100706.pdf). Accessed 13 May 2013
141. Manvell RJ, et al. Low pathogenic avian influenza in domestic fowl in Norfolk, England, March and April, 2006. Veterinary Record 2008; 162: 278-280
142. Selleck PW, et al. An outbreak of highly pathogenic avian influenza in Australia in 1997 caused by an H7N4 virus. Avian Diseases 2003; 47: 806-811
143. Uchida Y, et al. Genetic characterization and susceptibility on poultry and mammal of H7N6 subtype avian influenza virus isolated in Japan in 2009. Veterinary Microbiology 2011; 147: 1-10
144. Sugiura K, et al. An outbreak of H7N6 low pathogenic avian influenza in quails in Japan. Veterinaria Italiana 2009; 45: 481-489
145. van den Berg T, Houdart P. Avian influenza outbreak management: Action at time of confirmation, depopulation and disposal methods; the 'Belgian experience' during the H7N7 highly pathogenic avian influenza epidemic in 2003. Zoonoses and Public Health 2008; 55: 54-64
146. Lam TT, et al. The genesis and source of the H7N9 influenza viruses causing human infections in China. Nature 2013; 502: 241-244
147. Werner O, Starick E, Grund CH. Isolation and characterization of a low-pathogenicity H7N7 influenza virus from a turkey in a small mixed free-range poultry flock in Germany. Avian Diseases 2003; 47: 1104-1106
148. Probst C, et al. Low pathogenic avian influenza H7N7 in domestic poultry in Germany in 2011. Veterinary Record 2012; 171: 624
149. Campbell G, De Geus H. Non-pathogenic avian influenza in Ireland in 1998. In: Alexander D, ed. The Joint Fifth Annual Meetings of the National Newcastle Disease and Avian Influenza Laboratories of Countries of the European Union, Vienna, Austria, 1998, pp. 13-15
150. de Wit JJ, et al. A cross-sectional serological survey of the Dutch commercial poultry population for the presence of low pathogenic avian influenza virus infections. Avian Pathology 2004; 33: 565-570
151. de Jong MC, et al. Intra- And interspecies transmission of H7N7 highly pathogenic avian influenza virus during the avian influenza epidemic in The Netherlands in 2003. Revue Scientifique et Technique, Office International des Epizooties 2009; 28: 333-340
152. Fouchier RA, et al. Avian influenza A virus (H7N7) associated with human conjunctivitis and a fatal case of acute respiratory distress syndrome. Proceedings of the National Academy of Sciences USA 2004; 101: 1356-1361
153. ProMED. Avian influenza (23): Netherlands (Gelderland) poultry, LPAI H7N7, 2013 (http://www.pro medmail.org/direct.php?id=201303161589887). Accessed 16 May 2013
154. Graham D, McCullough S, Connor T. Avian influenza in Nortehrn Ireland: Current situation. In: Alexander D, ed. The Joint Fifth Annual Meetings of the National Newcastle Disease and Avian Influenza Laboratories of Countries of the European Union, Vienna, Austria, 1998, pp. 18-19
155. Iglesias I, et al. First case of highly pathogenic avian influenza in poultry in Spain. Transbound and Emerging Diseases 2010; 57: 282-285
156. Gibbens N. Avian influenza outbreak in Oxfordshire. Veterinary Record 2008; 162: 795
157. Defra. Highly pathogenic avian influenza H7N7, Oxfordshire, June 2008 (http://archive.defra.gov.uk/foodfarm/farmanimal/diseases/atoz/ai/documents/ epireport-080617v1-2.pdf). Accessed 20 May 2013
158. Li Q, et al. Preliminary report: Epidemiology of the avian influenza A (H7N9) outbreak in China. New England Journal of Medicine. Published online: 24 April 2013. doi:10.1056/NEJMoa1304617
159. Han J, et al. Epidemiological link between exposure to poultry and all influenza A(H7N9) confirmed cases in Huzhou city, China, March to May 2013. Eurosurveillance 2013; 18(20
160. Anon. A proportionate response to H7N9. Lancet Infectious Diseases 2013; 13: 465
161. Hvistendahl M, Normile D, Cohen J. Influenza. Despite large research effort, H7N9 continues to baffle. Science 2013; 340: 414-415
162. Zhongqiu Z. Influenza A (H7N9) control in China, 2013 (http://www.oie.int/fileadmin/Home/eng/Media- Center/docs/pdf/China-H7N9-final-. pdf). Accessed 16 July 2013
163. Liu D, et al. Origin and diversity of novel avian influenza A H7N9 viruses causing human infection: Phylogenetic, structural, and coalescent analyses. Lancet 2013; 381: 1926-1932
164. Song P, et al. Measures to combat H7N9 virus infection in China: Live poultry purchasing habits, poultry handling, and living conditions increase the risk of exposure to contaminated environments. Bioscience Trends 2013; 7: 168-171
165. Fournie G, Pfeiffer DU. Can closure of live poultry markets halt the spread of H7N9? Lancet. Published online: 31 October 2013. doi:10.1016/S0140- 6736(13)62109-1
166. Yu H, et al. Effect of closure of live poultry markets on poultry-To-person transmission of avian influenza A H7N9 virus: An ecological study. Lancet. Published online: 31 October 2013. doi:10.1016/S0140-6736(13) 61904-2
167. DeLay PD, Casey HL, Tubiash HS. Comparative study of fowl plague virus and a virus isolated from man. Public Health Reports 1967; 82: 615-620
168. Kalthoff D, Globig A, Beer M. (Highly pathogenic) avian influenza as a zoonotic agent. Veterinary Microbiology 2010; 140: 237-245
169. Webster RG, et al. Characterization of an influenza A virus from seals. Virology 1981; 113: 712-724
170. Wong SS, Yuen KY. Avian influenza virus infections in humans. Chest 2006; 129: 156-168
171. Belser JA, et al. Past, present, and possible future human infection with influenza virus A subtype H7. Emerging Infectious Diseases 2009; 15: 859-865
172. WHO. Situation updates - Avian influenza, 2013 (http://www.who.int/ influenza/human-animal-interface/avian-influenza/archive/en/). Accessed 20 May 2013
173. CDC. Avian influenza A virus infections of humans, 2008 (http://www.cdc.gov/flu/avian/gen-info/avian-fluhumans. htm). Accessed 20 May 2013
174. Ostrowsky B, et al. Low pathogenic avian influenza A (H7N2) virus infection in immunocompromised adult, New York, USA, 2003. Emerging Infectious Diseases 2012; 18: 1128-1131
175. Tweed SA, et al. Human illness from avian influenza H7N3, British Columbia. Emerging Infectious Diseases 2004; 10: 2196-2199
176. Skowronski DM, et al. Human illness and isolation of low-pathogenicity avian influenza virus of the H7N3 subtype in British Columbia, Canada. Journal of Infectious Diseases 2006; 193: 899-900
177. Belser JA, et al. Contemporary North American influenza H7 viruses possess human receptor specificity: Implications for virus transmissibility. Proceedings of the National Academy of Sciences USA 2008; 105: 7558-7563
178. Puzelli S, et al. Serological analysis of serum samples from humans exposed to avian H7 influenza viruses in Italy between 1999 and 2003. Journal of Infectious Diseases 2005; 192: 1318-1322
179. Belser JA, et al. Pathogenesis, transmissibility, and ocular tropism of a highly pathogenic avian influenza A (H7N3) virus associated with human conjunctivitis. Journal of Virology 2013; 87: 5746-5754
180. Nguyen-Van-Tam JS, et al. Outbreak of low pathogenicity H7N3 avian influenza in UK, including associated case of human conjunctivitis. Eurosurveillance 2006; 11(18
181. Koopmans M, et al. Transmission of H7N7 avian influenza A virus to human beings during a large outbreak in commercial poultry farms in the Netherlands. Lancet 2004; 363: 587-593
182. Olofsson S, et al. Avian influenza and sialic acid receptors: More than meets the eye? Lancet Infectious Diseases 2005; 5: 184-188
183. Enserink M. Infectious diseases. Bird flu infected 1000, Dutch researchers say. Science 2004; 306: 590
184. te Beest DE, et al. Effectiveness of personal protective equipment and oseltamivir prophylaxis during avian influenza A (H7N7) epidemic, the Netherlands, 2003. Emerging Infectious Diseases 2010; 16: 1562-1568
185. Kurtz J, Manvell RJ, Banks J. Avian influenza virus isolated from a woman with conjunctivitis. Lancet 1996; 348: 901-902
186. Bai T, Zhou J, Shu Y. Serologic study for influenza A (H7N9) among high-risk groups in China. New England Journal of Medicine 2013; 368: 2339-2340
187. Ke Y, et al. High severity and fatality of human infections with avian influenza A(H7N9) infection in China. Clinical Infectious Diseases 2013; 57: 1506-1507
188. Lee SS, Wong NS, Leung CC. Exposure to avian influenza H7N9 in farms and wet markets. Lancet 2013; 381: 1815
189. Li J, et al. Environmental connections of novel avian-origin H7N9 influenza virus infection and virus adaptation to the human. Science China Life Sciences 2013; 56: 485-492
190. Chen E, et al. The first avian influenza A (H7N9) viral infection in humans in Zhejiang Province, China: A death report. Frontiers of Medicine 2013; 7: 333-344
191. Lu S, et al. Analysis of the clinical characteristics and treatment of two patients with avian influenza virus (H7N9). Bioscience Trends 2013; 7: 109-112
192. Baranovich T, et al. The neuraminidase inhibitor oseltamivir is effective against A/Anhui/1/2013 (H7N9) influenza virus in a mouse model of acute respiratory distress syndrome. Journal of Infectious Diseases 2013
193. van Riel D, et al. Novel avian-origin influenza A (H7N9) virus attaches to epithelium in both upper and lower respiratory tract of humans. American Journal of Pathology 2013; 183: 1137-1143
194. Kreijtz JH, et al. Low pathogenic avian influenza A (H7N9) virus causes high mortality in ferrets upon intratracheal challenge: A model to study intervention strategies. Vaccine 2013; 31: 4995-4999
195. Jones JC, et al. Human H7N9 influenza A viruses replicate in swine respiratory tissue explants. Journal of Virology 2013; 87: 12496-12498
196. Zhu H, et al. Infectivity, transmission, and pathology of human-isolated H7N9 influenza virus in ferrets and pigs. Science 2013; 341: 183-186
197. Zhang Q, et al. H7N9 influenza viruses are transmissible in ferrets by respiratory droplet. Science 2013; 341: 410-414
198. Xu L, et al. Novel avian-origin human influenza A(H7N9) can be transmitted between ferrets via respiratory droplets. Journal of Infectious Diseases. Published online: 29 August 2013. doi:10.1093/infdis/jit474
199. Richard M, et al. Limited airborne transmission of H7N9 influenza A virus between ferrets. Nature 2013; 501: 560-563
200. Chang SY, et al. The first case of H7N9 influenza in Taiwan. Lancet 2013; 381: 1621
201. Lo YC, et al. Surveillance of avian influenza A(H7N9) virus infection in humans and detection of the first imported human case in Taiwan, 3 April to 10 May 2013. Eurosurveillance 2013; 18(20
202. Lin PH, et al. Virological, serological, and antiviral studies in an imported human case of avian influenza A(H7N9) virus in Taiwan. Clinical Infectious Diseases. Published online: 27 September 2013. doi:10.1093/cid/cit638
203. Capua I, Cattoli G. Prevention and control of highly pathogenic avian influenza with particular reference to H5N1. Virus Research 2013; 178: 114-120
204. Halvorson DA. The control of H5 or H7 mildly pathogenic avian influenza: A role for inactivated vaccine. Avian Pathology 2002; 31: 5-12
205. Capua I, et al. Vaccination as a tool to combat introductions of notifiable avian influenza viruses in Europe, 2000 to 2006. Revue Scientifique et Technique, Office International des Epizooties 2009; 28: 245-259
206. Bublot M, et al. Development and use of fowlpox vectored vaccines for avian influenza. Annals of the New York Academy of Sciences 2006; 1081: 193-201
207. Suarez DL. DIVA vaccination strategies for avian influenza virus. Avian Diseases 2012; 56: 836-844
208. Di Trani L, et al. Standardization of an inactivated H17N1 avian influenza vaccine and efficacy against A/Chicken/Italy/13474/99 high-pathogenicity virus infection. Avian Diseases 2003; 47: 1042-1046
209. Bertran K, et al. Protection against H7N3 high pathogenicity avian influenza in chickens immunized with a recombinant fowlpox and an inactivated avian influenza vaccines. Vaccine 2013; 31: 3572-3576
210. Abbas MA, et al. H7 avian influenza virus vaccines protect chickens against challenge with antigenically diverse isolates. Vaccine 2011; 29: 7424-7429
211. Maas R, et al. Dose response effects of avian influenza (H7N7) vaccination of chickens: Serology, clinical protection and reduction of virus excretion. Vaccine 2009; 27: 3592-3597
212. van der Goot JA, et al. Quantification of the effect of vaccination on transmission of avian influenza (H7N7) in chickens. Proceedings of the National Academy of Sciences of USA 2005; 102: 18141-18146
213. Toffan A, et al. Conventional inactivated bivalent H5/H7 vaccine prevents viral localization in muscles of turkeys infected experimentally with low pathogenic avian influenza and highly pathogenic avian influenza H7N1 isolates. Avian Pathology 2008; 37: 407-412
214. Capua I, et al. Increased resistance of vaccinated turkeys to experimental infection with an H7N3 lowpathogenicity avian influenza virus. Avian Pathology 2004; 33: 158-163
215. Bos ME, et al. Effect of H7N1 vaccination on highly pathogenic avian influenza H7N7 virus transmission in turkeys. Vaccine 2008; 26: 6322-6328
216. Tumpey TM, Kapczynski DR, Swayne DE. Comparative susceptibility of chickens and turkeys to avian influenza A H7N2 virus infection and protective efficacy of a commercial avian influenza H7N2 virus vaccine. Avian Diseases 2004; 48: 167-176
217. Lee CW, Senne DA, Suarez DL. Generation of reassortant influenza vaccines by reverse genetics that allows utilization of a DIVA (differentiating infected from vaccinated animals) strategy for the control of avian influenza. Vaccine 2004; 22: 3175-3181
218. Zhirnov OP, Klenk HD. Alterations in caspase cleavage motifs of NP and M2 proteins attenuate virulence of a highly pathogenic avian influenza virus. Virology 2009; 394: 57-63
219. Abdelwhab EM, Hafez HM. An overview of the epidemic of highly pathogenic H5N1 avian influenza virus in Egypt: Epidemiology and control challenges. Epidemiology and Infection 2011; 139: 647-657
220. Chen H, Bu Z. Development and application of avian influenza vaccines in China. Current Topics in Microbiology and Immunology 2009; 333: 153-162
221. Fuchs W, et al. Novel avian influenza virus vaccines. Revue Scientifique et Technique, Office International des Epizooties 2009; 28: 319-332
222. Hunt LA, et al. Retrovirus-expressed hemagglutinin protects against lethal influenza virus infections. Journal of Virology 1988; 62: 3014-3019
223. Cai Y, et al. Improved hatchability and efficient protection after in ovo vaccination with live-Attenuated H7N2 and H9N2 avian influenza viruses. Virology Journal 2011; 8: 31
224. Boyle DB, Selleck P, Heine HG. Vaccinating chickens against avian influenza with fowlpox recombinants expressing the H7 haemagglutinin. Australian Veterinary Journal 2000; 78: 44-48
225. Qiao CL, et al. Protection of chickens against highly lethal H5N1 and H7N1 avian influenza viruses with a recombinant fowlpox virus co-expressing H5 haemagglutinin and N1 neuraminidase genes. Avian Pathology 2003; 32: 25-32
226. Mickle TR, Swayne DE, Pritchard N. The development of avian influenza vaccines for emergency use. In: Schrijver RS, Koch G, eds. Avian Influenza: Prevention and Control. 1st edn. The Netherlands: Springer, 2005, pp. 93-100
227. Mingxiao M, et al. Construction and immunogenicity of recombinant fowlpox vaccines coexpressing HA of AIV H5N1 and chicken IL18. Vaccine 2006; 24: 4304-4311
228. Swayne DE, Beck JR, Kinney N. Failure of a recombinant fowl poxvirus vaccine containing an avian influenza hemagglutinin gene to provide consistent protection against influenza in chickens preimmunized with a fowl pox vaccine. Avian Diseases 2000; 44: 132-137
229. Toro H, et al. Protection of chickens against avian influenza with non-replicating adenovirus-vectored vaccine. Vaccine 2008; 26: 2640-2646
230. Toro H, Tang DC. Protection of chickens against avian influenza with nonreplicating adenovirus-vectored vaccine. Poultry Science 2009; 88: 867-871
231. Toro H, et al. Avian influenza vaccination in chickens and pigs with replication-competent adenovirus-free human recombinant adenovirus 5. Avian Diseases 2010; 54: 224-231
232. Swayne DE, et al. Recombinant paramyxovirus type 1-Avian influenza-H7 virus as a vaccine for protection of chickens against influenza and Newcastle disease. Avian Diseases 2003; 47: 1047-1050
233. Park MS, et al. Engineered viral vaccine constructs with dual specificity: Avian influenza and Newcastle disease. Proceedings of the National Academy of Sciences USA 2006; 103: 8203-8208
234. Schroer D, et al. Vaccination with Newcastle disease virus vectored vaccine protects chickens against highly pathogenic H7 avian influenza virus. Avian Diseases 2009; 53: 190-197
235. Veits J, et al. Deletion of the non-essential UL0 gene of infectious laryngotracheitis (ILT) virus leads to attenuation in chickens, and UL0 mutants expressing influenza virus haemagglutinin (H7) protect against ILT and fowl plague. Journal of General Virology 2003; 84: 3343-3352
236. Li Y, et al. Recombinant herpesvirus of turkeys as a vector-based vaccine against highly pathogenic H7N1 avian influenza and Marek's disease. Vaccine 2011; 29: 8257-8266
237. Kalhoro NH, et al. A recombinant vesicular stomatitis virus replicon vaccine protects chickens from highly pathogenic avian influenza virus (H7N1). Vaccine 2009; 27: 1174-1183
238. Crawford J, et al. Baculovirus-derived hemagglutinin vaccines protect against lethal influenza infections by avian H5 and H7 subtypes. Vaccine 1999; 17: 2265-2274
239. Fynan EF, Robinson HL, Webster RG. Use of DNA encoding influenza hemagglutinin as an avian influenza vaccine. DNA and Cell Biology 1993; 12: 785-789
240. Robinson HL, Hunt LA, Webster RG. Protection against a lethal influenza virus challenge by immunization with a haemagglutinin-expressing plasmid DNA. Vaccine 1993; 11: 957-960
241. Kodihalli S, Kobasa DL, Webster RG. Strategies for inducing protection against avian influenza A virus subtypes with DNA vaccines. Vaccine 2000; 18: 2592-2599
242. Jiang Y, et al. Protective efficacy of H7 subtype avian influenza DNA vaccine. Avian Diseases 2010; 54: 290-293
243. Le Gall-Recule G, et al. Importance of a prime-boost DNA/protein vaccination to protect chickens against low-pathogenic H7 avian influenza infection. Avian Diseases 2007; 51: 490-494
244. Cherbonnel M, Rousset J, Jestin V. Strategies to improve protection against low-pathogenicity H7 avian influenza virus infection using DNA vaccines. Avian Diseases 2003; 47: 1181-1186
245. Abdelwhab EM, Hafez HM. Insight into alternative approaches for control of avian influenza in poultry, with emphasis on highly pathogenic H5N1. Viruses 2012; 4: 3179-3208
246. Kaleta EF, et al. Avian influenza A viruses in birds of the order Psittaciformes: Reports on virus isolations, transmission experiments and vaccinations and initial studies on innocuity and efficacy of oseltamivir in ovo. Deutsche Tierarztliche Wochenschrift 2007; 114: 260-267
247. Kendal AP, Klenk HD. Amantadine inhibits an early, M2 protein-dependent event in the replication cycle of avian influenza (H7) viruses. Archives of Virology 1991; 119: 265-273
248. Sugrue RJ, et al. Specific structural alteration of the influenza haemagglutinin by amantadine. EMBO Journal 1990; 9: 3469-3476
249. Scholtissek C, Muller K. Failure to obtain drug-resistant variants of influenza virus after treatment with inhibiting doses of 3-deazaadenosine and H7. Archives of Virology 1991; 119: 111-118
250. Shaukat TM, et al. Comparative efficacy of various antiviral agents against avian influenza virus (Type H7N3/Pakistan/2003). Pakistan Journal of Zoology 2011; 43: 849-854
251. Pleschka S, et al. Anti-viral properties and mode of action of standardized Echinacea purpurea extract against highly pathogenic avian influenza virus (H5N1, H7N7) and swine-origin H1N1 (S-OIV). Virology Journal 2009; 6: 197
252. Ilyushina NA, et al. Contribution of H7 haemagglutinin to amantadine resistance and infectivity of influenza virus. Journal of General Virology 2007; 88: 1266-1274
253. Meijer A, et al. Measurement of antibodies to avian influenza virus A(H7N7) in humans by hemagglutination inhibition test. Journal of Virological Methods 2006; 132: 113-120
254. Du Ry van Beest Holle M, et al. Human-To-human transmission of avian influenza A/H7N7, The Netherlands, 2003. Eurosurveillance 2005; 10(12
255. Herfst S, et al. Airborne transmission of influenza A/H5N1 virus between ferrets. Science 2012; 336: 1534-1541
256. Imai M, et al. Experimental adaptation of an influenza H5 HA confers respiratory droplet transmission to a reassortant H5 HA/H1N1 virus in ferrets. Nature 2012; 486: 420-428.