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

U.S. dairy cattle tested positive for a strain of bird flu that previously had not been seen in cows, the U.S. Department of ...

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

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again ...