The 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 ...

but this is the first time it’s been documented that D1.1 has been in a dairy cow,” Goicoechea said. The affected dairies have provided the Nevada Department of Health and Human Services with ...

A dairy worker in Nevada has been infected with a strain of H5N1 bird flu—genotype D1.1—that has newly spilled over to cows, the Centers for Disease Control and Prevention has confirmed.

A whole-genome sequence has detected highly pathogenic avian influenza (HPAI) H5N1 in dairy cattle in Nevada according to the ...

The Nevada spokesperson said two additional herds ... human bird flu cases since 2024 have been linked to exposure to dairy cows sick with the virus. Most of the others have been the result ...

There have been 985 confirmed cases of avian influenza in dairy cattle across 17 states since first confirmed in March 2024.

The state suspended the cage-free egg law for 120 days. A new Nevada law passed in the 2025 Legislature allows temporary emergency suspensions.

The newer strain had been seen before in more than a dozen people exposed to poultry, but this is the first time an infection was traced to a cow. The Nevada dairy worker was exposed at a farm in ...

Bird flu. With that diagnosis in mind, one of Russo’s colleagues tried to get some bovine samples tested for H5N1, but the ...

A senior US animal health official has urged calmness over recent academic findings suggesting that ageing may not eliminate ...