An employee wearing a protection suit sprays disinfectant on chickens at a poultry market in Hefei, Anhui province April 5, 2013. Chinese authorities were slaughtering birds at a poultry market in the financial hub Shanghai as the death toll from a new strain of bird flu mounted to six on Friday, spreading concern overseas and sparking a sell-off on Hong Kong's share market. According to Xinhua News Agency, east China's Zhejiang Province on Friday morning reported that a man has died from the H7N9 bird flu, bringing the death toll from the new deadly strain to six in the country. REUTERS/Stringer (CHINA - Tags: HEALTH DISASTER ANIMALS)