T he disclosure that dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows has put virologists and researchers on high alert. Among other things ...

Should humans be worried about the H5N1 variant being found in dairy cattle? The USDA confirmed the virus's existence in the Nevada dairy cattle through milk sampling, the agency said.

The detection of D1.1 in Nevada cows “is the second spillover event from migratory wild birds to dairy cattle,” the U.S. Agriculture Department has reported.

Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada 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 throughout the past year, the U.S. Department of Agriculture (USDA) said.

Dairy cows in Nevada have been infected with a second version of the avian influenza virus that is different from the one rampaging through herds since the spring, Agriculture Department officials ...

A new version of the H5N1 bird flu virus has been detected in milk samples collected from dairy herds in Nevada. The strain, known as D1.1, had so far been associated only with migrating birds and ...

A Nevada dairy worker has become the first human known to be infected with a new version of bird flu from a dairy herd. ... The D1.1 strain was confirmed in Nevada cattle the last day of January.

The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding raises some worrying questions — and concerns over the Trump administration's muted response.

A new variant of the bird flu has infected a dairy worker in Nevada, marking the state's first human case of the H5N1 avian influenza. The worker was exposed to the D1.1 strain after working with ...

Dairy herds in Nevada have been infected by a version of the H5N1 bird flu not previously seen in cows, putting virologists on high alert.