Bird Flu Cases Confirmed In China

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A worker disinfects chickens at Zhonghuan poultry wholesale market... Foto di attualitàBancarella,Composizione orizzontale,Disinfettare,Malattia,Mercato,Occupazione,Sanità e medicina,WuhanPhotographer Collection: ChinaFotoPress 2013 ChinaFotoPressWUHAN, CHINA - APRIL 07: (CHINA OUT) A worker disinfects chickens at Zhonghuan poultry wholesale market after the market was closed on April 7, 2013 in Wuhan, China. China has confirmed 21 H7N9 bird flu cases, including six deaths. And many poultry wholesale markets have been closed in central and eastern China. (Photo by ChinaFotoPress via Getty Images)