<prompt> Most common bacteria causing diarrhea in childrenEnterotoxigenic E.coliEnteroinvasive E.coliEnterohemorrhagic E.coliEnteropathogenic E.coli  <response>: - Enteropathogenic E.coli : these have been associated mainly with diarrhea in infants and infants. - It do not produce any toxin nor are they invasive. Reference : Anathanarayan paniker;s 9th edition, pg no:281 