A newer variant of H5N1 bird flu that recently infected dairy cattle in Nevada has a genetic change thought to help the virus ...

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

Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists ...

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

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 ...

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

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

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 ...

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

The variant of bird flu that killed a Louisiana resident has now been found in dairy cows. Until now, the human cases of bird flu traced to cattle have been mild, mostly eye infections.

Neither of the two strains of avian influenza that have infected dairy cows in the United States have been detected in the ...

The same strain is linked to the bird flu patient who died in Louisiana. A second type of bird flu has been found in dairy cows for the first time, the U.S. Department of Agriculture announced on ...