title: Update: sporadic hemorrhagic colitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003092:Colitis / Q000453:epidemiology*; D004196:Disease Outbreaks / Q000453:epidemiology*; D004927:Escherichia coli Infections / Q000453:epidemiology*; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D014481:United States