title: Trichinosis in the United States, 1975: increase in cases attributed to numerous common-source outbreaks.
mesh_terms: D000818:Animals; D002417:Cattle; D005506:Food Contamination; D008460:Meat; D013552:Swine; D014235:Trichinellosis / Q000453:epidemiology* / Q000209:etiology; D014481:United States; D001503:Ursidae; D014856:Walruses