The China National Health and Family Planning Commission reported 22 additional human cases of avian influenza A(H7N9), including three deaths during the past week.
The 15 male and seven female patients, aged from 15 to 79, had their onset from February 19 to March 4. The cases were four cases each from in Henan and Jiangxi, three cases each from Guangxi and Sichuan, two cases each in Fujian, Hunan and Jiangsu, and one case each in Guizhou and Hubei. Among them, 18 were known to have exposure to poultry or poultry markets.
In addition, according to the surveillance of the Guangdong Provincial Center for Disease Control and Prevention, among 939 environmental samples collected from 98 poultry markets in Guangdong between February 27 and March 5, 78 samples (8.3 per cent) tested positive for the H7 virus.
As of Mar. 6, there has been 1282 human H7N9 avian influenza reported since 2013.
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