<prompt> Traveller;s diarrhoea is caused byShigellaE. ColiE. histolyticaGiardiasis  <response>: Enterotoxigenic E. Coli causes traveller;s diarrhoea. Persons travelling from developed countries visiting endemic areas often suffer from ETEC diarrhoea. Ref: Ananthanarayan and Paniker;s Textbook of Microbiology, 9th edition; pg no: 279 