A seven-year-old girl tested positive for the H7N9 avian influenza virus and her parents attend a press briefing before leaving the Beijing Ditan Hospital in Beijing, capital of China, April 17, 2013. The girl surnamed Yao was discharged from the hospital on Wednesday. After six days of treatment in the hospital, the temperature of the girl has stabilized, and her breathing and blood tests have also improved. Yao, who was confirmed as the first H7N9 infection case in China's capital on April 13, has tested negative for the H7N9 virus over the past three days. The medical observation for her parents were also terminated Wednesday, as neither of them have shown any abnormal symptoms. (Xinhua/Wang Zhen)