Emerg Infect Dis. 2021;27(11):2940-2943. doi: 10.3201/eid2711.204893.
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.
2020 年末,我们在中国上海的迁徙鸭中检测到 32 株高致病性禽流感病毒 A(H5N8)。对 5 株代表性分离株的系统进化分析鉴定出 2.3.4.4b 分支的 2 个亚系。每个亚系均与东亚和欧洲的分离株形成单独的聚类。