A new strain of bird flu, the D1.1 variant, has been detected in a dairy worker in Nevada, marking the first human case of ...

This strain of bird flu, known as D1.1, has only ever previously been detected in wild birds and poultry, indicating that it has only recently spread to cows. The detection, found in dairy cattle ...

Scientists are closely watching the new infections in Nevada because gene sequences from affected cattle have shown that they are a subtype of the H5N1 virus, D1.1, which has been associated with ...

The strain, known as D1.1, was detected in Nevada dairy cattle after being the predominant variant in North American birds last fall and winter. The USDA did not clarify the exact number of cows ...

The worker was exposed while working with infected dairy cattle when he contracted the D1.1 genotype bird flu strain. What is the new bird flu strain? According to the U.S. Department of ...

This version of bird flu, known as D1.1, has only ever previously been detected in wild birds and poultry, indicating that it has now spilled over into cows. The detection, found in dairy cattle ...

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 ...