Testing Finds Bird Flu in Tissue of US Dairy Cow

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. The cow was one of 109 sent to be culled “for systemic disease,” the agency said. Testing has been completed on 96 of the cows, and the cow is the only one to have viral particles. Authorities are working to figure out where the cow came from and plan to work with its former owner....