Definition of E. coli O157:H7
E. coli O157:H7: A dangerous form of Escherichia coli, the colon bacillus, a bacterium that normally lives in the human colon.
E. coli 0157:H7 is a major health problem, causing hemorrhagic colitis, the hemolytic-uremic syndrome, and thrombotic thrombocytopenic purpura:
Infection with E. coli 01257:H7 comes most often from eating raw or undercooked ground beef (hamburger) or from drinking raw milk or contaminated water. Less commonly, E coli O157:H7 can be transmitted from one person to another.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
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