Figure 1.
The human cases of avian influenza A H7N9 virus infection reported with the first case(s) by province/city and the cumulative fatality rate in China from March 31 to April 24, 2013.
The human cases of avian influenza A H7N9 virus infection reported with the first case(s) by province/city and the cumulative fatality rate in China from March 31 to April 24, 2013.