Evolutionary dynamics of avian influenza A H7N9 virus across five waves in mainland China, 2013-2017
Since the novel avian influenza A H7N9 virus emerged in March 2013,1 it has triggered five epidemics of human infections in China.2-4 This virus causes severe and fatal respiratory diseases in humans, and many people infected with the H7N9 virus died due to severe pneumonia and its complications.5 A total of 1,564 laboratory-confirmed cases of human infection have been reported to the World Health Organization (WHO).6 There were 135, 316, 226 and 121 cases reported in waves 1-4, respectively, with a declining trend.
Source: Journal of Infection - Category: Infectious Diseases Authors: Dan Xiang, Zhiqing Pu, Tingting Luo, Fucheng Guo, Xiaobing Li, Xuejuan Shen, David M. Irwin, Robert W. Murphy, Ming Liao, Yongyi Shen Source Type: research
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