Sun Yan (L), a doctor of Zhengzhou No.6 People's Hospital, receives the A/H1N1 influenza vaccination in Zhengzhou, capital of central China's Henan Province, Oct. 31, 2009. A vaccination program against the A/H1N1 virus is kicked off in the province on Saturday. (Xinhua/Zhao Peng)
http://english.people.com.cn/90001/90782/90880/6799896.pdf
