Two cats living in separate households in Multnomah County, Oregon, fell ill after consuming the raw pet food. After ...

Another spillover of the H5N1 bird flu virus from wild birds to dairy cattle appears to have occurred, this time in Arizona.

For more than a year, New York Times science and global health reporter Apoorva Manadvilli has been tracking bird flu, which ...

Arizona agricultural officials say they now have the first detection of H5N1 avian influenza in milk produced by a dairy herd ...

More Americans may have had bird flu without suffering any symptoms, a new study finds. That could allow the virus to mutate into something more dangerous.

Bird flu takes toll on farmersBlood 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 ...

Veterinarians who worked with cattle had antibodies in their system that showed they had the H5N1 virus, though they exhibited no symptoms and none knew they were working with sick animals, according ...

After a different strain of bird flu was recently found in cattle for the first time, experts reveal what this means in our fight against the virus.

Ohio's first human bird flu case was reported in Mercer County yesterday. Learn about testing for the virus, symptoms and the Ohio egg farming industry.

After going quiet on bird flu, CDC scientists have published a report on its spread among veterinarians. The findings suggest ...

The report is the latest evidence that the outbreak in dairy herds is spreading undetected in cows, and the spillover into ...

A new study shows the bird flu has silently spread from animals to some veterinarians. It echoes two smaller studies that ...