A staff member wearing a protection suit spray disinfectant to the hen house whose the proprietor surnamed Chen in Chajian Town of Tianchang City, east China’s Anhui Province, April 16, 2013. Chen was tested positive for H7N9 virus on April 15, according to the provincial health department in Anhui. Chen’s residence and areas nearby were disinfected thoroughly on April 16. <Xinhua/Du Yu>
