A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working with infected livestock.

A slimmed-down MMWR resumed publication last week but included none of the bird flu reports. Public health experts have criticized the unprecedented break in publication and the h

Blood testing of large-animal veterinarians suggests that H5N1 bird flu has spread more widely than US surveillance of the virus is capturing, according to a new study by federal and state disease detectives.

By Leah Douglas WASHINGTON (Reuters) -Bird flu infections were detected among cattle veterinarians tested last fall, including two people with no known exposure to animals with the virus, according to a report released by the U.