An 83-year-old man being treated for the H7N9 bird flu infection in eastern China's Jiangsu Province died Tuesday, while four new cases were reported in Shanghai and nearby Zhejiang Province, according to health authorities.
Including the latest cases, a total of 28 human infections have been reported since the H7N9 virus was first found to have infected humans in Shanghai and the nearby provinces of Anhui, Jiangsu and Zhejiang.
In Jiangsu, the provincial health bureau said the man surnamed Shen, whose case had been previously reported, died despite medical efforts.