U.S. - Bird Flu Protection in California... A chicken walks inside of a chicken coop in California Poltechnic State University in San Luis Obispo, California, where the birds are raised for testing and research purposes. This poultry unit is a vital key to poultry disease prevention. World health experts said they expected to see more human bird flu infections in China, even as the U.S. Congress stalled funding of President George W. Bush's plan to cope with a pandemic. Phil Klein/photo

copyright © 2012 photos by phil klein all rights reserved.