E. coli O157:H7—a foodborne pathogen
E. coli O157:H7 is one of thousands of serotypes of Escherichia coli.
E. coli O157:H7 was first recognized as a pathogen in 1982 during an investigation into an outbreak of hemorrhagic colitis associated with consumption of hamburgers from a fast-food chain restaurant. Retrospective examination of more than three thousand E.






