A 7-year-old girl confirmed as Beijing's first H7N9 infection case and her parents walk to attend a press conference before leaving the Beijing Ditan Hospital in the capital of China, April 17, 2013. After six days of treatment in the hospital, the girl surnamed Yao was discharged on Wednesday. She 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. [CNS Photo/Zhang Yun]
