-
Alexander D J. Avian influenza: recent develop-ments[J]. Veter Bull, 1982, 52(6): 341-359.
-
Butt K M, Smith G J D, Chen H. Human infection with an avian H9N2 influenza A virus in Hong Kong in 2003[J]. J Clin Microbiol, 2005, 43(11): 5760-5767. doi: 10.1128/JCM.43.11.5760-5767.2005
-
Choi Y K, Ozaki H, Webby R J. Continuing evolution of H9N2 influenza viruses in southeastern China[J]. J Virol, 2004, 78(16): 8609-8614. doi: 10.1128/JVI.78.16.8609-8614.2004
-
Guan Y, Shortridge K F, Krauss S. H9N2 influenza viruses possessing H5N1-like internal genomes continue to circulate in poultry in southeastern China[J]. J Virol, 2000, 74(20): 9372-9380. doi: 10.1128/JVI.74.20.9372-9380.2000
-
Guo Y J, Krauss S, Senne D A. Charac-terization of the pathogenicity of members of the newly established H9N2 influenza virus lineages in Asia[J]. Virology, 2000, 267(2): 279-288. doi: 10.1006/viro.1999.0115
-
Kwon H J, Cho S H, Kim M C. Molecular epizootiology of recurrent low pathogenic avian influenza by H9N2 subtype virus in Korea[J]. Avian Pathol, 2006, 35(4): 309-315. doi: 10.1080/03079450600821166
-
Li K S, Xu K M, Peiris S M. Characterization of H9 subtype influenza viruses from the ducks of southern China: a candidate for the next influenza pandemic in humans?[J]. J Virol, 2003, 77(12): 6988-6994. doi: 10.1128/JVI.77.12.6988-6994.2003
-
Lin Y P, Shaw M, Gregory V. Avian-to-human transmission of H9N2 subtype influenza A viruses: relationship between H9N2 and H5N1 human isolates[J]. Proc Natl Acad Sci U S A, 2000, 97(17): 9654-9658. doi: 10.1073/pnas.160270697
-
Liu H, Liu X F, Cheng J, Peng D. Phy-logenetic analysis of the hemagglutinin genes of twentysix avian influenza viruses of subtype H9N2 isolated from chickens in China during 1996-2001[J]. Avian Dis, 2003, 47(1): 116-127. doi: 10.1637/0005-2086(2003)047[0116:PAOTHG]2.0.CO;2
-
Liu J H, Okazaki K, Shi W M. Phylogenetic analysis of neuraminidase gene of H9N2 influenza viruses prevalent in chickens in China during 1995-2002[J]. Virus Genes, 2003, 27(2): 197-202. doi: 10.1023/A:1025736829103
-
Lu J H, Liu X F, Shao W X. Phylogenetic analysis of eight genes of H9N2 subtype influenza virus: a mainland China strain possessing early isolates' genes that have been circulating[J]. Virus Genes, 2005, 31(2): 163-169. doi: 10.1007/s11262-005-1790-1
-
Matrosovich M N, Krauss S, Webster R G. H9N2 influenza A viruses from poultry in Asia have human viruslike receptor specificity[J]. Virology, 2001, 281(2): 156-162. doi: 10.1006/viro.2000.0799
-
Peiris M, Yuen K Y, Leung C W. Human infection with influenza H9N2[J]. Lancet, 1999, 354(9182): 916-917. doi: 10.1016/S0140-6736(99)03311-5
-
Steinhauer D A. Role of hemagglutinin cleavage for the pathogenicity of influenza virus[J]. Virology, 1999, 258(1): 1-20. doi: 10.1006/viro.1999.9716
-
Wang S, Shi W M, Mweene A, Wei H L. Genetic analysis of the nonstructural (NS) genes of H9N2 chicken influenza viruses isolated in China during 1998-2002[J]. Virus Genes, 2005, 31(3): 329-335. doi: 10.1007/s11262-005-3251-2
-
Webster R G, Bean W J, Gorman O T. Evolution and ecology of influenza A viruses[J]. Microbiol Reviews, 1992, 56(1): 152-179.
-
World Health Organization . A revision of the system of nomenclature for influenza viruses: a WHO memorandum[J]. Bull World Health Organ, 1980, 58(40): 585-591.
-
Xie Z X, Pang Y S, Liu J B. Amultiplex RT-PCR for detection of type A influenza virus and differentiation of avian H5, H7, and H9 hemagglutinin subtypes[J]. Mol Cell Probes, 2006, 20(3): 245-249.