background: the purpose of this study was to find out the frequency of different serotypes of enteropathogenic escherichia coli (epec) among healthy/diarrheal cases. methods: a total of 191 strains, 111 from diarrheal and 80 from asymptomatic persons were examined. determination of the epec serogroups was performed by agglutination tests using polyvalent and monovalent o antiserum. pcr-rflp a...
