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 second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced ...

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 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 ...

A new strain of bird flu, which previously killed a man in Louisiana, has now been detected in dairy cows in Nevada. The detection, part of a national milk testing program by the USDA, indicates the ...

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 ...

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

Bird flu can be transmitted from infected birds to other animals and potentially humans directly from the birds, virus-contaminated environments or an infected animal, according to the CDC.

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