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

While it remains seasonal in poultry, the disease is spreading in dairy cows and infecting hundreds of other ...

There is no evidence the youngster was exposed to livestock or any infected animals, deepening the mystery about the spread of H5N1 bird flu.

The first person to contract H5N5 avian influenza, a rare strain of the disease known as bird flu, died in Washington state Friday. The state’s Department of Health said in a release the resident of ...

The patient is an older adult with underlying health conditions.

A Washington state resident believed to be the first person to be infected with a rare strain of bird flu has died, state health officials announced. The person — an older adult with underlying health ...

A Washington resident has died after contracting a bird flu strain never before seen in humans. Health officials confirmed it as the first known human infection of this new variant. Investigators are ...