U.S. Tests Birds For Flu
Michelle Crocheck, a veterinary medical officer at the National Veterinary Services Laboratories, explains how caged chickens will be used to test for the deadly avian influenza virus, Tuesday, May 23, 2006, in Ames, Iowa. Researchers at the Animal and Plant Health Inspection Service site make the final confirmatory diagnoses for the virus.
Author: CBS News Staff
Credit: AP Photo/Charlie Neibergall
