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 ...

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 ...

A study by the University of Cambridge shows that incorporating sexed semen into breeding at dairy can accelerate herd ...

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.

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