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Volume 28, Number 8—August 2022

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

Junhong Chen1, Lingyu Xu1, Tengfei Liu1, Shumin Xie1, Ke Li, Xiao Li, Mengmeng Zhang, Yifan Wu, Xinkai Wang, Jinfeng Wang, Keyi Shi, Beibei Niu, Ming LiaoComments to Author , and Weixin JiaComments to Author 
Author affiliations: South China Agricultural University College of Veterinary Medicine, Guangzhou, China (J. Chen, L. Xu, T. Liu, S. Xie, X. Li, M. Zhang, Y. Wu, X. Wang, J. Wang, K. Shi, B. Niu, M. Liao, W. Jia); Experimental Animal Center, South China Agricultural University, Guangzhou (S. Xie); Yunnan Animal Science and Veterinary Institute, Kunming, Yunnan, China (K. Li); Key Laboratory of Zoonoses and Key Laboratory of Animal Vaccine Development, Ministry of Agriculture, Guangzhou, China (M. Liao, W. Jia); Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangzhou (W. Jia)

Main Article

Table 2

Genomic similarity of influenza virus isolate A/chicken/Chongqing/001/2021/H5N6 from a bird in China, 2021, to previously detected influenza viruses from birds in China*

Gene Name Subtype Similarity, % Host Year
PB2 A/chicken/Guangxi/165C7/2014(H3N2) H3N2 96.90 Chicken 2014
PB1 A/duck/Guangxi/293D21/2017(H1N2) H1N2 97.90 Duck 2017
PA A/duck/China/322D22/2018(H3N2) H3N2 96.51 Duck 2018
NP A/Muscovy duck/China/H5N6/2020(H5N6) H5N6 95.20 Duck 2020
NS A/chicken/Ganzhou/GZ43/2016(H3N2) H3N2 97.90 Chicken 2016
M A/Cygnus columbianus/Hubei/56/2020(H5N8) H5N8 99.90 Cygnus 2020
HA A/Cygnus columbianus/Hubei/53/2020(H5N8) H5N8 99.20 Cygnus 2020
NA A/Muscovy duck/China/H5N6/2020(H5N6) H5N6 99.28 Duck 2020

*The virus isolate came from a dead chicken in the backyard of a patient with confirmed infection in Chongqing, China. The host, subtype, and similarity of reference sequences were obtained from the National Center for Biotechnology Information ( HA, hemagglutinin; NA, neuraminidase; NS, nonstructural; M, matrix. PA, polymerase acidic; PB, polymerase basic.

Main Article

1These authors contributed equally to this article.

Page created: June 03, 2022
Page updated: July 21, 2022
Page reviewed: July 21, 2022
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