Novel Reassortant Avian Influenza A(H5N6) Virus, China, 2021

Emerg Infect Dis. 2022 Aug;28(8):1703-1707. doi: 10.3201/eid2808.212241. Epub 2022 Jul 12.

Abstract

Although reports of human infection with influenza A(H5N6) increased in 2021, reports of similar H5N6 virus infection in poultry are few. We detected 10 avian influenza A(H5N6) clade 2.3.4.4b viruses in poultry from 4 provinces in China. The viruses showed strong immune-escape capacity and complex genetic reassortment, suggesting further transmission risk.

Keywords: China; avian influenza A(H5N6) virus; influenza; influenza A virus; poultry diseases; reassortant viruses; viral zoonoses; viruses; zoonoses.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Birds
  • China / epidemiology
  • Humans
  • Influenza A virus* / genetics
  • Influenza in Birds* / epidemiology
  • Influenza, Human* / epidemiology
  • Phylogeny
  • Poultry
  • Reassortant Viruses / genetics