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Conference Paper: Establishment of influenza A virus (H6N1) in minor poultry in southern China

TitleEstablishment of influenza A virus (H6N1) in minor poultry in southern China
Authors
Issue Date2007
PublisherInternational Medical Press. The Conference Proceedings' website is located at https://isirv.org/site/index.php/isirv-publications?id=38
Citation
The 2007 International Scientific Conference of Options for the Control of Influenza (Options-6), Toronto, ON., Canada, 17-23 June 2007. In Conference Proceedings, 2007, p. 110-112 How to Cite?
AbstractAn H6N1 virus, A/teal/Hong Kong/W312/97 (W312), was isolated during the ‘bird flu’ incident of Hong Kong in 1997. Genetic analysis suggested that this virus might be the progenitor of the A/Hong Kong/156/97 (HK/97) H5N1 virus as seven of eight gene segments of those viruses had a common source. Continuing surveillance in Hong Kong showed that a W312-like virus was prevalent in quail and pheasant in 1999; however, the further development of H6N1 viruses has not been investigated since 2001. Here we report influenza surveillance data from 2000 to 2005 in southern China that shows H6N1 viruses have become established and endemic in minor poultry, and mainly replicated in the respiratory tract. Phylogenetic analysis indicates that all H6N1 isolates had W312-like hemagglutinin and neuraminidase genes. However, reassortment of internal genes between different subtype virus lineages, including H5N1, H9N2 and other avian viruses, generated multiple novel H6N1 genotypes in different types of poultry. These novel viruses are double, triple or even quadruple reassortants. Molecular analyses suggest that W312-like viruses may not be a precursor of HK/97 virus but a reassortant from HK/97-like virus and another unidentified H6 subtype virus. These results provide further evidence of the pivotal role of the live-poultry market system of southern China in generating increased genetic diversity of influenza viruses in this region.
DescriptionOral Presentations: Animal Influenza Ecology
Persistent Identifierhttp://hdl.handle.net/10722/103202
ISBN

 

DC FieldValueLanguage
dc.contributor.authorCheung, CLen_HK
dc.contributor.authorFan, Xen_HK
dc.contributor.authorSmith, GJen_HK
dc.contributor.authorZhang, Jen_HK
dc.contributor.authorChen, Hen_HK
dc.contributor.authorGuan, Yen_HK
dc.date.accessioned2010-09-25T21:02:27Z-
dc.date.available2010-09-25T21:02:27Z-
dc.date.issued2007en_HK
dc.identifier.citationThe 2007 International Scientific Conference of Options for the Control of Influenza (Options-6), Toronto, ON., Canada, 17-23 June 2007. In Conference Proceedings, 2007, p. 110-112-
dc.identifier.isbn78-1-901-769-15-6-
dc.identifier.urihttp://hdl.handle.net/10722/103202-
dc.descriptionOral Presentations: Animal Influenza Ecology-
dc.description.abstractAn H6N1 virus, A/teal/Hong Kong/W312/97 (W312), was isolated during the ‘bird flu’ incident of Hong Kong in 1997. Genetic analysis suggested that this virus might be the progenitor of the A/Hong Kong/156/97 (HK/97) H5N1 virus as seven of eight gene segments of those viruses had a common source. Continuing surveillance in Hong Kong showed that a W312-like virus was prevalent in quail and pheasant in 1999; however, the further development of H6N1 viruses has not been investigated since 2001. Here we report influenza surveillance data from 2000 to 2005 in southern China that shows H6N1 viruses have become established and endemic in minor poultry, and mainly replicated in the respiratory tract. Phylogenetic analysis indicates that all H6N1 isolates had W312-like hemagglutinin and neuraminidase genes. However, reassortment of internal genes between different subtype virus lineages, including H5N1, H9N2 and other avian viruses, generated multiple novel H6N1 genotypes in different types of poultry. These novel viruses are double, triple or even quadruple reassortants. Molecular analyses suggest that W312-like viruses may not be a precursor of HK/97 virus but a reassortant from HK/97-like virus and another unidentified H6 subtype virus. These results provide further evidence of the pivotal role of the live-poultry market system of southern China in generating increased genetic diversity of influenza viruses in this region.-
dc.languageengen_HK
dc.publisherInternational Medical Press. The Conference Proceedings' website is located at https://isirv.org/site/index.php/isirv-publications?id=38-
dc.relation.ispartofOptions for the Control of Influenza VI: Proceedings of the International Conference on Options for the Control of Influenza VI held in Toronto, Ontario, Canada June 17-23, 2007en_HK
dc.titleEstablishment of influenza A virus (H6N1) in minor poultry in southern Chinaen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailCheung, CL: 50169944@plink.cityu.edu.hken_HK
dc.identifier.emailFan, X: fanxiaohui63@yahoo.comen_HK
dc.identifier.emailSmith, GJ: gjsmith@HKUCC.hku.hken_HK
dc.identifier.emailZhang, J: zhangajx@hotmail.comen_HK
dc.identifier.emailChen, H: hlchen@hku.hken_HK
dc.identifier.emailGuan, Y: yguan@hkucc.hku.hken_HK
dc.identifier.authoritySmith, GJ=rp00444en_HK
dc.identifier.authorityZhang, J=rp00413en_HK
dc.identifier.authorityChen, H=rp00383en_HK
dc.identifier.authorityGuan, Y=rp00397en_HK
dc.identifier.hkuros132379en_HK
dc.identifier.spage110-
dc.identifier.epage112-
dc.publisher.placeUnited States-

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