A branch of the H5N1 bird flu family tree that hadn't previously been seen in cattle has now been detected in dairy cows.

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

While the risk to humans of exposure from cows or milk remains low, this new flu spillover from birds into cows raises the need for continued surveillance.

Dairy cows in Nevada have been infected with a new strain of bird flu virus different from the one circulating in other herds ...

There are growing concerns over the bird flu outbreak as the average price of eggs has jumped. Kakadoodle Farms owner and ...