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Definitions of E coli O157 H7

  1.   A verocytotoxin producing serogroup belonging to the O subfamily of Escherichia coli which has been shown to cause severe food borne disease Recently a strain from this serogroup serotype H7 which produces Shiga like toxins has been linked to human disease outbreaks resulting from contamination of foods from bovine origin This serogroup causes hemorrhagic and HEMOLYTIC UREMIC SYNDROME and predominantly hemorrhagic diarrhea and GASTROENTERITIS in children