A health worker sprays disinfectant at a closed live poultry trade market in Feidong County, east China's Anhui Province, April 7, 2013. China reported three more H7N9 infections on Sunday, bringing the total number of the confirmed cases to 21 as the country is gearing up to fight the disease that has left six dead. The latest confirmed H7N9 case was reported in Anhui Province, where a 55-year-old male working in the live poultry trade was diagnosed with the virus, local health authorities said Sunday night. [Xinhua]