Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding raises some worrying ...

A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced.

A dairy worker in Nevada has reportedly been infected by the killer variant of H5N1 bird flu; analysis shows changes in new ...

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples ...

Genome sequencing of milk from Nevada has identified a different strain of bird flu in dairy cows for the first time, the ...

The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two ...

Dairy cows in Nevada have been infected with a new strain of bird flu virus different from the one circulating in other herds ...