The U.S. Department of Agriculture has detected a bird flu strain in dairy cattle that previously had not been seen in cows, the agency's Animal and Plant Health Inspection Service said on Wednesday.

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

A variant of the H5N1 bird flu has now infected dairy cattle in Nevada, according to reports from the United States Department of Agriculture.

A version of the avian influenza virus different from the one rampaging through herds since last spring has been detected in dairy cows in Nevada, USDA says.

At least 67 people in the U.S. have been infected with bird flu, mostly those who work closely with dairy or cattle.

A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples collected from Nevada dairy herds.

A newly identified strain of H5N1 bird flu has been confirmed in dairy cattle in Nevada, marking the second known spillover of the virus from wild birds to cows in the United States. This latest discovery underscores growing concerns about the disease’s ability to spread between animals and its potential risk to humans.