Escherichia coli O157

**Definition:** A verocytotoxin-producing serogroup belonging to the O subfamily of Escherichia coli which has been shown to cause severe food-borne disease. A strain from this serogroup, serotype H7, which produces SHIGA TOXINS, has been linked to human disease outbreaks resulting from contamination of foods by E. coli O157 from bovine origin.

**Tree numbers:** - B03.440.450.425.325.300.800.250.500 - B03.660.250.150.180.100.800.250.500

**Synonyms:** - E coli O157