Emerging Infectious Disease ISSN: 1080-6059

Human Influenza A (H5N1) Cases, Urban Areas of People’s Republic of China, 2005–2006

Hongjie Yu*¹, Zijian Feng*¹, Xianfeng Zhang†¹, Nijuan Xiang*, Yang Huai*‡, Lei Zhou*, Zhongjie Li*, Cuiling Xu§, Huiming Luo¶, Jianfeng He¶, Xuhua Guan†, Zhengan Yuan#, Yanting Li#, Longshan Xu**, Rongtao Hong**, Xuecheng Liu††, Xingyu Zhou††, Wenwu Yin*, Shunxiang Zhang‡‡, Yuelong Shu*, Maowu Wang*, Yu Wang*, Chin-Kei Lee§§, Timothy M. Uyeki¶¶, Weizhong Yang*

, and for the Avian Influenza H5N1 Study Group²

Author affiliations: *Chinese Center for Disease Control and Prevention, Beijing, People’s Republic of China; †Hubei Center for Disease Control and Prevention, Wuhan, People’s Republic of China; ‡International Field Epidemiology Training Program, Bangkok, Thailand; §National Institute for Viral Disease Control and Prevention, Beijing, People’s Republic of China; ¶Guangdong Center for Disease Control and Prevention, Guangzhou, People’s Republic of China; #Shanghai Center for Disease Control and Prevention, Shanghai, People’s Republic of China; **Fujian Center for Disease Control and Prevention, Fuzhou, People’s Republic of China; ††Sichuan Center for Disease Control and Prevention, Chengdu, People’s Republic of China; ‡‡Shenzhen Center for Disease Control and Prevention, Shenzhen, People’s Republic of China; §§World Health Organization, Beijing, People’s Republic of China; ¶¶Centers for Disease Control and Prevention, Atlanta, Georgia, USA;

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Figure 1

Map showing distribution of 6 human influenza (H5N1) cases from urban areas of People’s Republic of China, compared with 14 cases from rural areas. The 6 urban cases were distributed sporadically in 6 large cities of 5 provinces, and none was associated with confirmed H5N1 subtype poultry outbreaks or sick and dead poultry.

Figure 1. Map showing distribution of 6 human influenza (H5N1) cases from urban areas of People’s Republic of China, compared with 14 cases from rural areas. The 6 urban cases were distributed sporadically in 6 large cities of 5 provinces, and none was associated with confirmed H5N1 subtype poultry outbreaks or sick and dead poultry.

Main Article

¹These authors contributed equally to this work.

²Members of the Chinese Center for Disease Control and Prevention Avian Influenza H5N1 Study Group are Shuyun Xie, Zhitao Liu, Xuefeng Tang, and Jun Li. Members of the Provincial Center for Disease Control and Prevention Avian Influenza H5N1 Study Group are Gongping Liu, Jianming Ou, Shaojian Cai, Ting Huang, Tie Song, De Wu, and Xiaodong Sun.

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