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 USDA confirmed the virus's existence in the Nevada dairy cattle through milk sampling, the agency said. The Nevada Department of Agriculture said the affected cattle, which are located in ...

Finding D1.1 in dairy cows caught investigators off-guard ... Researchers are still trying to pin down exactly how the cows in Nevada became infected. One theory has to do with nonnative European ...

The Central Nevada Health District said Monday that an adult was exposed to infected dairy cattle while working at a farm in the northwestern part of the state. The Centers for Disease Control and ...

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 ...

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 ...

Genome sequencing of milk from Nevada identified the different strain, known as the D1.1 genotype, in dairy cows for the first time, the USDA said. Previously, all 957 bird flu infections among ...

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 ...