The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird flu traced to cattle have been mild, mostly eye infections.

A new strain of the H5N1 bird flu virus was detected in dairy cows, but the risk of human transmission remains low. The nation’s milk supply is safe because pasteurization kills the bird flu virus.

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from wild birds in late 2023 or early 2024.

Bird flu infections in dairy cows are more widespread than we thought, according to a new CDC study Dairy cows at a farm near Pixley, Calif., in 2023. (Myung J. Chun/Los Angeles Times) ...

A second type of bird flu has been found in dairy cows for the first time, the U.S. Department of Agriculture announced on Feb 4.. Until recently, all dairy herd detections in the U.S. had ...

The U.S. has over 9.3 million dairy cows, according to the USDA, and as of Wednesday 957 herds have been affected by bird flu. In the U.S., bird flu has sickened 67 people and caused one death.

The U.S’s biggest dairy-producing state is being squeezed by the recent outbreak of bird flu, which also affects cattle—and ...

Last summer some cows, specifically dairy cattle, required testing for Avian Flu before being allowed into into the fair.

The Arizona Department of Agriculture (AZDA) has confirmed a new detection of H5N1 avian influenza in milk from a Maricopa ...

H5N1, or bird flu, initially presents with common flu-like symptoms such as fever, cough, and fatigue, making early detection ...

Wisconsin fairs head into second year requiring cows to test negative for bird flu virus before going to shows ...