Genetically Divergent Highly Pathogenic Avian Influenza A(H5N8) Viruses in Wild Birds, Eastern China

• DOI: 10.3201/eid2711.204893
• Publication Date: 2021-10-20T01:56:21Z
• Authors: Guimei He; Le Ming; Xiang Li; Yuhe Song; Ling Tang; Min Ma; Jie Cui; Tianhou Wang
• Keywords: 0301 basic medicine; China; R; Dispatch; Animals, Wild; avian influenza virus; Infectious and parasitic diseases; RC109-216; 3. Good health; Birds; 03 medical and health sciences; Ducks; H5N8; Influenza in Birds; Medicine; Animals; viruses; Influenza A Virus, H5N8 Subtype; highly pathogenic avian influenza; wild birds; Phylogeny

In late 2020, we detected 32 highly pathogenic avian influenza A(H5N8) viruses in migratory ducks in Shanghai, China. Phylogenetic analysis of 5 representative isolates identified 2 sublineages of clade 2.3.4.4b. Each sublineage formed separate clusters with isolates from East Asia and Europe.