An emerging strain of highly pathogenic avian influenza has spilled over from wild birds to dairy cows in the state of Nevada ...

Researchers aren’t sure how the D1.1 variant was transmitted to the Nevada cows. Dairy farmers with infected herds reported large die-offs of wild birds near their farms before their cows got ...

With a second case of bird flu detected in a Nevada dairy herd, state and federal officials are increasing efforts to protect livestock and residents. The Nevada Department of Agriculture and the ...

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.