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

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

Cows in Nevada have been infected with a strain of H5N1 bird flu different from the strain detected in all other herds to ...

Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the ...

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

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

At least four cattle herds in Nevada have tested positive for a strain of H5N1 bird flu never before seen in cows, state ...

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

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 ...

A strain of the H5N1 bird flu virus that has typically spread in poultry and wild birds recently jumped to dairy cattle in ...

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