Testing Finds Bird Flu in Tissue of US Dairy Cow

Other experiments indicate that raw milk with the bird flu can infect animals that drink it, researchers say.

Beef in a grocery store in a file image. Lucy Nicholson/Reuters

Particles of highly pathogenic avian influenza A were detected in tissue from a dairy cow, the U.S. Department of Agriculture (USDA) announced on May 24.

The influenza, also known as the bird flu or H5N1, was found in muscle and other samples from the cow, according to the USDA.