Health workers leave the A9 isolation wards at the Queen Elizabeth Hospital in Hong Kong, south China, April 5, 2013. An offcial of Hong Kong's Hospital Authority said on Friday that a seven-year-old girl in Hong Kong was reported the symptom of fever and received treatment at the Queen Elizabeth Hospital, who had been in close contact with birds in Shanghai last month. And the result whether she is infected with H7N9 virus is expected to come out Friday night. (Xinhua/Lui Siu Wai)