Avian influenza is continuing to plague poultry and dairy farming operations, and with the virus spreading across the country with no sign of stopping, some infectious disease experts in the Lehigh Valley say they are looking out for bird flu in the community.

A new report suggests that more Americans may be walking around with bird flu − and not even know it. Researchers from the Centers for Disease Control and Prevention randomly tested 150 veterinarians for H5N1,

The new study is more evidence that the official U.S. tally of confirmed human bird flu infections—68 in the last year—is likely a significant undercount.

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.

A new study shows that bird flu has silently spread from animals to some veterinarians. The study published Thursday by the Centers for Disease Control and Prevention echoes two smaller ones that detected evidence of infection in previously undiagnosed farmworkers.

How does bird flu spread? Can people get bird flu? Bird flu can infect birds as well as mammals, including pigs, cattle and cats. People can also get infected when they come into