A low-pathogenicity (“low-path”) strain of H7N3 avian influenza that recently turned up in turkeys in the southeastern U.S. appears to have gone high-path. The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) on Thursday confirmed highly-pathogenic H7N3 avian flu in a commercial turkey flock in Chesterfield County, in northern South Carolina. “It
