A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture (USDA) announced on Wednesday. Until recently, all dairy herd detections in the U.S.

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 ...

A Washington state resident has tested positive for bird flu, marking the first human case in the U.S. in nine months, and with a strain only seen in animals before.

The man, an older adult with underlying health conditions, was being treated for a type of bird flu called H5N5.

Washington confirms first human H5N5 bird flu death; officials probe transmission. Symptoms severe; experts urge precautions, ...