Bird flu variant found in Nevada cows shows signs of adaptation to mammals - CNN
Bird flu variant found in Nevada cows shows signs of adaptation to mammals CNNA Second Type of Bird Flu is Circulating in U.S. Ducks—What to Know Scientific American2nd strain of bird flu infects cows for the 1st time: USDA ABC NewsBird flu affects 50,000 cows in the state of Nevada KTVN
