The Associated Press on MSN18 天
Second type of bird flu detected in US dairy cows
Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...
Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in U.S. herds since last year, Agriculture Department officials said Wednesday.
Dairy cattle in Nevada have been infected with a new type of bird flu that’s different from the version that has spread in U.S. herds since last year, Agriculture Department officials said ...