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 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 ...

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

The new H5N1 version, known as D1.1, was found in dairy cattle in Nevada and is different than the B3.13 type that has spread ...

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

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 ...

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

A new strain of bird flu has infected dairy cows in Nevada, marking the second time the virus has jumped from birds to cattle ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.