Six H7N9 avian influenza patients, who have fully recovered, pose with their doctors before being discharged from a hospital in Hangzhou, capital of East China's Zhejiang province, April 27, 2013. The total number of H7N9 cases reported in the mainland stood at 121 as of 7 pm Saturday, including 23 cases that ended in death. [Photo/Asianewsphoto]