The U.S. Department of Agriculture has identified a case of highly pathogenic avian influenza (HPAI or H5N1) in a pig for the first time, causing experts to fear an increased potential for the virus to travel from human to human and even cause a possible pandemic. USDA announced the finding Wednesday (Oct. 30), saying there is no concern for the nation’s pork supply as a result of the case. The pig which tested positive was identified in a backyard farm...