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Volume 23, Number 12—December 2017

Research Letter

Avian Influenza (H7N9) Viruses Co-circulating among Chickens, Southern China

Nianchen Wang1, Minhua Sun1, Wenqing Wang1, Guowen Ouyang, Zuxian Chen, You Zhang, Bingbing Zhao, Siyu Wu, Jianni Huang, Hailiang Sun, Ming LiaoComments to Author , and Peirong JiaoComments to Author 
Author affiliations: South China Agricultural University, Guangzhou, China (N. Wang, W. Wang, G. Ouyang, Z. Chen, Y. Zhang, B. Zhao, S. Wu, J. Huang, H. Sun, M. Liao, P. Jiao); Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Guangdong, China (M. Sun)

Main Article

Figure

Phylogenetic analysis of the hemagglutination gene of 3 isolates (triangles) of avian influenza (H7N9) virus obtained from chickens in southern China, 2016–2017, compared with reference isolates. The tree was constructed by using the neighbor-joining method with the maximum composite likelihood model in MEGA version 5.2 (http://www.megasoftware.net) with 1,000 bootstrap replicates, based on the nucleotide sequence 1–1,695. Virus lineages are shown at right. Scale bar indicates nucleotide substit

Figure. Phylogenetic analysis of the hemagglutinin gene of 3 isolates (triangles) of avian influenza (H7N9) virus obtained from chickens in southern China, 2016–2017, compared with reference isolates. The tree was constructed by using the neighbor-joining method with the maximum composite likelihood model in MEGA version 5.2 (http://www.megasoftware.net) with 1,000 bootstrap replicates, based on the nucleotide sequence 1–1,695. Virus lineages are shown at right. Scale bar indicates nucleotide substitutions per site.

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1These authors contributed equally to this article.

Page created: November 16, 2017
Page updated: November 16, 2017
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