17 Americans from hantavirus cruise ship arrive in U.S. for quarantine An American on the repatriation flight began showing symptoms of hantavirus and another "tested mildly PCR positive for the Andes virus," the Department of Health and Hu

An American on the repatriation flight began showing symptoms of hantavirus and another "tested mildly PCR positive for the Andes virus," the Department of Health and Human Services says.