H5N1 Bird Flu: Cows as Surprise Virus Hosts
H5N1 bird flu found in cow's milk raises concerns about human transmission, though that hasn't happened yet. The virus reaches high levels in cow mammary glands. Other animals are also affected.
H5N1 bird flu found in cow's milk raises concerns about human transmission, though that hasn't happened yet. The virus reaches high levels in cow mammary glands. Other animals are also affected.