Anhui holds an H7N9 virus emergency drill on April 9, 2013. Two patients from eastern China's Anhui and Jiangsu provinces, who were confirmed as H7N9 cases days ago, died of the avian influenza on Tuesday afternoon. This has brought the total death toll caused by the H7N9 bird flu in the country to nine. So far, China has reported a total of 29 H7N9 cases, including nine ending in fatalities. [Photo/Chinanews.com]