Diarrheagenic Escherichia colicontinued Clinical Microbiology Review 188
DISEASE GRAM STAIN
GROUP PATHOGENICITY TRANSMISSION MECHANISM OF STOOL OTHER
Enteropathogenic
(EPEC)
Enteroaggregative
(EAEC)
Diffusely adherent
(DAEC)
Watery diarrhea with
mucus.
Most labs can’t detect.
Not well studied.
Formula & food
contaminated with
fecal material
Nosocomial &
community
acquired
Little known about
epidemiology
Diarrhea in infants. Major
pathogen in infants in
developing countries
Diarrhea in developing
countries. Chronic diarrhea
in HIV-infected patients
Diarrhea & UTI. Most
common in children in
developing countries
Adherence-
attachment
Adherence-
attachment
Adherence-
attachment
No polys or RBCs
