Avian flu spread in cows not being tracked, posing greater risk of human transmission
Mark Lyons, a senior USDA animal health official, said federal officials are “still working closely to understand the breadth” of the bird flu outbreak in the nation’s dairy herds.
Mark Lyons, a senior USDA animal health official, said federal officials are “still working closely to understand the breadth” of the bird flu outbreak in the nation’s dairy herds.
