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