Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with ...

A shift in the H5N1 virus has allowed it to spread more easily from birds to cows, raising concerns about its evolution.

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

Nevada dairy cattle infected with a new bird flu strain, Type A H5N1 D1.1, raising concerns of multiple transmission channels ...

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

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

A new variant of the H5N1 bird flu — the same one that led to the death of a Louisiana man — has for first the first time ...

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

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...

Herds of cattle in Nevada tested positive for the strain of H5N1 bird flu never before seen in cows, state agriculture ...

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 ...