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Volume 20, Number 11—November 2014
Dispatch

Poultry Market Closures and Human Infection with Influenza A(H7N9) Virus, China, 2013–14

Peng Wu1, Hui Jiang1, Joseph T. Wu1, Enfu Chen1, Jianfeng He1, Hang Zhou, Lan Wei, Juan Yang, Bingyi Yang, Ying Qin, Vicky J. Fang, Ming Li, Tim K. Tsang, Jiandong Zheng, Eric H. Y. Lau, Yu Cao, Chengliang Chai, Haojie Zhong, Qiao Sun, Gabriel M. Leung, Luzhao Feng, George F. Gao, Benjamin J. Cowling2, and Weizhong Yang2Comments to Author 
Author affiliations: School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China (P. Wu, J.T. Wu, L. Wei, B. Yang, V.J. Fang, T.K. Tsang, E.H.Y. Lau, G.M. Leung, B.J. Cowling); Division of Infectious Disease, Key Laboratory of Surveillance and Early-warning on Infectious Disease, Chinese Center for Disease Control and Prevention, Beijing, China (H. Jiang, H. Zhou, J. Yang, Y. Qin, M. Li, J. Zheng, Y. Cao, Z. Li, L. Feng, H. Yu); Zhejiang Provincial Centre for Disease Control and Prevention, Hangzhou, China (E. Chen, C. Chai); Guangdong Provincial Centre for Disease Control and Prevention, Guangzhou, China (J. He, H. Zhong); CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing (G.F. Gao); Office of Director-General, Chinese Center for Disease Control and Prevention, Beijing (G.F. Gao)

Main Article

Table

Summary of closures of live poultry markets in the urban areas of Guangdong and Zhejiang Provinces, China, during the 2013–14 winter outbreak of influenza A(H7N9)

Area No. urban cases Start date of LPM closure, 2014 End date of LPM closure, 2014
Guangdong Province
Shenzhen 19 Jan 31 Feb 13
Guangzhou 19 Feb 15 Feb 28
Huaiji County, Zhaoqing 3 Jan 31 or Feb 5* Feb 18
Nanhai District, Foshan
 6
 Jan 7 or Jan 13†
 Jan 29
Zhejiang Province
Hangzhou 5 Jan 24‡ Mar 7
Downtown§ 3 Jan 21 Mar 7
Xiaoshan 4 Jan 23 Mar 7
Yuhang
Ningbo downtown (4 districts)¶ 6 Jan 26 Feb 18
Shaoxing 4 Jan 22 Feb 11

*Only the live poultry markets (LPMs) epidemiologically linked to cases were closed Jan 31–Feb 2, 2014. All LPMs in the county were closed Feb 5–18.
†2 LPMs epidemiologically linked to cases were closed during Jan. 7–9 All LPMs in the district were closed during Jan 13–29.
‡End dates of LPM closure in these districts/cities are later than the end date of the study time horizon.
§Hangzhou includes 6 districts in the downtown area (Gongshu, Shangcheng, Xiacheng, Jianggan, Xihu and Binjiang), 2 suburban districts (Xiaoshan and Yuhang), 3 cities (Fuyang, Jiande and Linan), and 2 counties (Tonglu and Chunan).
¶Ningbo includes 6 districts in the downtown area (Haishu, Jiangdong, Jiangbei, Beilun, Zhenhai , Yinzhou), 3 cities (Yuyao, Cixi , Fenghua), and 2 counties (Xiangshan, Ninghai). Four districts included here are Haishu, Jiangdong, Jiangbei, and Yinzhou.

Main Article

1These authors are joint first authors.

2These authors are joint senior authors.

Page created: October 17, 2014
Page updated: October 17, 2014
Page reviewed: October 17, 2014
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.
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