title: Hemorrhagic colitis due to Escherichia coli (verotoxigenic) in Canada.
mesh_terms: D002170:Canada; D003092:Colitis / Q000209:etiology*; D004196:Disease Outbreaks / Q000517:prevention & control; D004927:Escherichia coli Infections / Q000453:epidemiology / Q000517:prevention & control; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans