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

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 Agriculture said.

This new version, known as D1.1, was confirmed in Nevada cattle on Friday, according to USDA. It was detected in milk ...

The US Department of Agriculture (USDA) has detected a bird flu strain in dairy cattle that previously had not been seen in ...