Most common strain of E.coli giving rise to traveller's diarrhea is
Ans. is 'c' i.e., Entero-toxigenic E.coli
Entero-invasive E.coli (EICE)
Entero-pathogenic E.coli (EPEC)
Entero-toxigenic E.coli (ETEC)
Entero-aggregative E.coli (EAEC)