Emerg Infect Dis. 2020 Feb 17;26(2). doi: 10.3201/eid2502.191105. [Epub ahead of print] Antigenic Variant of Highly Pathogenic Avian Influenza A(H7N9) Virus, China, 2019.
Jiang W, Hou G, Li J, Peng C, Wang S, Liu S, Zhuang Q, Yuan L, Yu X, Li Y, Wang J, Liu H.
Abstract
In China, influenza A(H7N9) virus appeared in 2013, then mutated into a highly pathogenic virus, causing outbreaks among poultry and cases in humans. Since September 2017, extensive use of the corresponding vaccine, H7-Re1, successfully reduced virus prevalence. However, in 2019, a novel antigenic variant emerged, posing considerable economic and public health threats.A.
KEYWORDS:
China; H7N9; HPAI; Influenza virus; antigenicity; highly pathogenic avian influenza; influenza; variant; viruses
PMID: 31855533 DOI: 10.3201/eid2502.191105
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