Source : China , says agency working with Chinese to find source . Two people died of H7N9 flu on Wednesday in China , state - run news agency reports . The three previously reported deaths were : two men -- ages 27 and 87 -- who lived in Shanghai , and a 38-year-old man who lived in Zhejiang province but worked in Jiangsu province , according to state-run news agency Xinhua . All of the day 's 14 cases were reported in eastern China . H7N9 is a strain of avian flu not previously detected in humans .
Source : China , says agency working with Chinese to find source . Two people died of H7N9 flu on Wednesday in China , state - run news agency reports . All of the day 's 14 cases were reported in eastern China . H7N9 is a strain of avian flu not previously detected in humans .