<prompt> Travellers diarrhea is caused byShigellaE.coliE.histolyticaGiardiasis  <response>: Diarrheal strains of E.coli:Strain of E.coliDiseaseETEC Travellers diarrhea EPEC Watery diarrhea in young children EIEC Dysentery EAEC Travellers diarrhea Persistent diarrhea Ref: Ananthanarayan 9th edition, p279 