2nd strain of bird flu infects cows for the 1st time: USDA
A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture announced.
US dairy cows infected with 2nd form of bird flu for the 1st time: USDA
A second type of bird flu has been found in U.S. dairy cows for the first time, the U.S. Department of Agriculture (USDA) ...