Medical Dictionary: E. coli O157:H7


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E. coli O157:H7: Another name for Escherichia coli O157:H7.

E. coli O157:H7: E. coli O157:H7 is one of hundreds of strains of the bacterium Escherichia coli. Although most strains are harmless and live in the intestines of healthy humans and animals, this strain produces a powerful toxin and can cause severe illness.

E. coli O157:H7 was first recognized as a cause of illness in 1982 during an outbreak of severe bloody diarrhea; the outbreak was traced to contaminated hamburgers. Since then, most infections have come from eating undercooked ground beef.

The combination of letters and numbers in the name of the bacterium refers to the specific markers found on its surface and distinguishes it from other types of E. coli.1

More information on medical condition: Escherichia coli O157:H7:



Footnotes:
1. excerpt from Escherichia coli O157:H7 General: DBMD

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