Trichinosis decline continues.
D000821:Animal Feed; D000818:Animals; D003964:Diaphragm / Q000382:microbiology; D004197:Disease Reservoirs / Q000453:epidemiology / Q000662:veterinary; D006801:Humans; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology; D014234:Trichinella / Q000302:isolation & purification; D014235:Trichinellosis / Q000453:epidemiology* / Q000662:veterinary; D014481:United States