Novel Avian Influenza Virus (H5N1) Clade 2.3.4.4b Reassortants in Migratory Birds, China

Two novel reassortant highly pathogenic avian influenza viruses (H5N1) clade 2.3.4.4b.2 were identified in dead migratory birds in China in November 2021. The viruses probably evolved among wild birds through different flyways connecting Europe and Asia. Their low antigenic reaction to vaccine antis...

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Veröffentlicht in:	Emerging infectious diseases 2023-06, Vol.29 (6), p.1244-1249
Hauptverfasser:	Yang, Jing, Zhang, Chunge, Yuan, Yue, Sun, Ju, Lu, Lu, Sun, Honglei, Sun, Heting, Chu, Dong, Qin, Siyuan, Chen, Jianjun, Zhang, Chengbo, Hao, Xiyan, Shi, Weifeng, Liu, Wenjun, Gao, George F, Digard, Paul, Lycett, Samantha, Bi, Yuhai
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Animals, Wild Avian flu Avian influenza Avian influenza viruses Biotechnology Bird migration Birds Causes of China - epidemiology clade 2.3.4.4b Disease transmission Diseases Dispatch Distribution Genes Genetic aspects genetic origin Genomes H5N1 highly pathogenic avian influenza virus Identification and classification Infectious diseases Influenza A virus - genetics Influenza A Virus, H5N1 Subtype Influenza in Birds - epidemiology Laboratories Migratory birds Phylogenetics Phylogeny Phylogeography Poultry Public health reassortant Risk factors Science Vaccines Viruses
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Beschreibung
Zusammenfassung:	Two novel reassortant highly pathogenic avian influenza viruses (H5N1) clade 2.3.4.4b.2 were identified in dead migratory birds in China in November 2021. The viruses probably evolved among wild birds through different flyways connecting Europe and Asia. Their low antigenic reaction to vaccine antiserum indicates high risks to poultry and to public health.
ISSN:	1080-6040 1080-6059
DOI:	10.3201/eid2906.221723