The transmission route of the D1.1 variant to the Nevada cows is unknown, although farmers with infected herds reported ...

A new strain of bird flu, D1.1 variant was detected in a dairy worker in Nevada after he was exposed to infected cattle, making it the state's first human case of the H5N1 avian influenza.

Animal and Plant Health Inspection Service (APHIS) on April 9 reported two more H5N1 avian flu detections in US dairy herds, one in California and the other in Nevada, raising the United States' total ...