Effect of Live Poultry Market Closure on Avian Influenza A(H7N9) Virus Activity in Guangzhou, China, 2014
, Eric H.Y. Lau1
, Kuibiao Li1
, Y.H. Connie Leung1
, Zhicong Yang1
, Caojun Xie1
, Yufei Liu1
, Yanhui Liu, Xiaowei Ma, Jianping Liu, Xiaoquan Li, Kuncai Chen, Lei Luo, Biao Di, Benjamin J. Cowling, Xiaoping Tang
, Gabriel M. Leung, Ming Wang2
, and Malik Peiris2
Author affiliations: Guangzhou Center for Disease Control and Prevention, Guangzhou, China (J. Yuan, K. Li, Z. Yang, C. Xie, Yufei Liu, Yanhui Liu, X. Ma, J. Liu, X. Li, K. Chen, L. Luo, B. Di, M. Wang); The University of Hong Kong, Hong Kong, China (E.H.Y. Lau, Y.H.C. Leung, B.J. Cowling, G.M. Leung, M. Peiris); The Eighth People’s Hospital of Guangzhou, Guangzhou, China (X. Tang)
Figure 4. Phylogenetic analysis of hemagglutinin genetic sequences of an influenza A(H7N9) virus isolated from an environmental sample collected at a retail live poultry market under enhanced surveillance, Guangzhou, China, 2014. Black circles indicate 3 strains collected before (February 13), during (February 15), and after (March 17) a 2-week market closure. Scale bar indicates base substitution per site.
Page created: September 22, 2015
Page updated: September 22, 2015
Page reviewed: September 22, 2015
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.