Definition of E. coli hemorrhagic diarrhea
The diarrhea is severe with painful abdominal cramps, gross blood in the stool, and lasts for 6 to 8 days.
Most commonly, E. coli 01257:H7 comes 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.
Last Editorial Review: 6/14/2012
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