TABLE 39-3.

Diarrheagenic Escherichia coli

Name	Abbreviation	Pathogenic Mechanisms	Illness
Enteropathogenic E. coli	EPEC	Adherence to enterocytes	Infantile diarrhea in developing countries
Enterotoxigenic E. coli	ETEC	Enterotoxin elaboration	Infantile diarrhea in developing countries; traveler’s diarrhea
Enteroinvasive E. coli	EIEC	Invasion of epithelial cells; toxin elaboration	Watery diarrhea/dysentery
Stx-producing E. coli∗	Stx	Cytotoxin elaboration Adherence	Hemorrhagic colitis; hemolytic-uremic syndrome
Enteroaggregative E. coli	EAggEC	Adherence Enterotoxin elaboration	Persistent diarrhea in developing countries
Diffusely adherent E. coli	DAEC	Adherence	Diarrhea

^∗Formerly enterohemorrhagic E. coli (EHEC).