US ambassador John Lange (L), State Depa

Da Nang, VIET NAM: US ambassador John Lange (L), State Department's special representative on avian and Influenza pandemic, and an unidentified delegate look at chickens as they visit a private chicken farm along with delegates to an APEC (Asia-Pacific Economic Cooperation) bird flu meeting, in Vietnamese central city of Da Nang 06 May 2006. Asia-Pacific ministers from rich and poor countries meeting in Vietnam pledged 05 May 2006 to work together to prevent or mitigate the impact of the feared first human flu pandemic of the 21st century. AFP PHOTO/HOANG DINH Nam (Photo credit should read HOANG DINH NAM/AFP via Getty Images)