Bird flu has the potential to spread to more animal species and could mix with seasonal flu, making it easier to spread among humans, according to scientists behind a new study from Iowa State ...

Bird flu virus has been found in a batch of raw milk sold in California, and consumers should not drink it, the state Department of Public Health warned Sunday. The agency said that no illnesses have ...

An adult female seal and a young seal lay side by side in grass. Atlantic gray seal mothers (shown, left) feed their young on high-fat milk that is also rich in complex sugars to support their ...