Originally found mostly in wild birds and poultry, H5N1 clade 2.3.4.4b, genotype D1.1, was discovered in dairy cattle last ...
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.
A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.