<p class="MsoNormal"><span style="mso-spacerun:'yes';font-family:Calibri;mso-fareast-font-family:宋体;
color:rgb(0,0,0);font-size:16.0000pt;mso-font-kerning:1.0000pt;">It can be caused by infection, food intolerance, stress, or a sudden change in diet. Traveller’s diarrhoea may occur after eating contaminated food or drinking unsafe water.</span></p>