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) said.

Herds of cattle in Nevada tested positive for the strain of H5N1 bird flu never before seen in cows, state agriculture ...

A new strain of bird flu has been detected in US dairy cattle, raising concerns about its potential transmission and impact ...