This new viral variant, H5N1, is now being detected in dairy cows, spreading the bird flu to cattle. For about a year, this new H5N1 variant called B3.13 has significantly impacted dairy cattle in ...

A version of the H5N1 bird flu virus known as B3.13 was confirmed in March after being introduced to cattle in late 2023, scientists said. It has infected more than 950 herds in 16 states.

A new CDC report found evidence of previous bird flu infection in veterinary practitioners who work with cattle and who did ...

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.

Bird flu has spread to over 1,000 dairy herds across the country. It has also jumped to dozens of other mammals — a rapid and unprecedented spread, infectious disease physician Khan said.

They accumulate small genetic changes on a regular basis, necessitating yearly updates to the flu vaccines because the prior year’s strain may not look much ... No one expected H5N1 to take hold in ...

The H5N1 avian flu is circulating in cows and other mammals. Whether it will make a permanent leap to humans is another ...

A person in Texas has been diagnosed with a bird flu strain tied to a recent outbreak among dairy cows — becoming the second person ever in the US to contract the virus, federal and state ...

In March 2024, bird flu was reported in U.S. dairy cows for the first time. As of Friday, the virus has infected more than 1,000 herds across 17 states, according to the U.S. Department of ...

Updated: Jul 15, 2025 / 04:47 PM CDT PIERRE, S.D. (KELO) — The U.S. Department of Agriculture is considering vaccination plans to protect poultry and cattle, including dairy cows, from bird flu.