China's Health Minister Chen Zhu talks to journalists at the end of a plenary session of the World Health Organization (WHO) Summit "Influenza Lessons Learned and Preparedness", in Cancun, Mexico, on July 3, 2009. Getty Images logo Getty Images 5 months ago

China's Health Minister Chen Zhu talks to journalists at the end of a plenary session of the World Health Organization (WHO) Summit "Influenza Lessons Learned and Preparedness", in Cancun, Mexico, on July 3, 2009.