Mad cow disease not seen as threat in U.S.
D000818:Animals; D002417:Cattle; D007562:Creutzfeldt-Jakob Syndrome / Q000453:epidemiology; D016643:Encephalopathy, Bovine Spongiform / Q000453:epidemiology*; D006801:Humans; D008460:Meat; D014481:United States / Q000453:epidemiology