Cows Have Been Infected With a Second Form of Bird Flu
The finding indicates that the virus, known as H5N1, has spilled from birds into cows at least twice — leading to these two ...
The Washington Post4 天
Dairy cows infected with second version of bird flu
Dairy cows in Nevada have been infected with a second version of the avian influenza virus that is different from the one rampaging through herds since the spring, Agriculture Department officials ...
The Hill4 天
Second strain of bird flu found in Nevada dairy cows
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 ...