Abstract
Escherichia coli is a gram-negative bacillus that can be classified into commensal strains and disease-causing strains. Diarrheogenic E. coli (DEC) are classified in five distinct pathotypes. One of these pathotypes, denominated enteropathogenic E. coli (EPEC), has two subdivisions, which are based on the presence (typical EPEC) or absence (atypical EPEC) of the EAF (EPEC adherence factor…