Abstract
Enteropathogenic Escherichia coli (EPEC) are subdivided into typical EPEC (tEPEC) and atypical EPEC (aEPEC) according to the presence of the EAF (EPEC adherence factor) plasmid in tEPEC and its absence in aEPEC. Although tEPECs have been the major agent of infantile diarrhea in Brazil, their frequency is decreasing while the aEPECs have been identified as agents of diarrhea in various geo…