title: Letter to the editor.
authors.forename: Janani
authors.initials: J
authors.lastname: Pallawela
authors.forename: Fernando
authors.initials: F
authors.lastname: Isaza
authors.forename: Sandra
authors.initials: S
authors.lastname: Iragorri
mesh_terms: D002675:Child, Preschool; D004927:Escherichia coli Infections / Q000635:transmission*; D019453:Escherichia coli O157 / Q000302:isolation & purification*; D005260:Female; D006801:Humans; D013550:Swimming; D014871:Water Microbiology