Acute diarrhoeal diseases usually spread by contaminated hands or ingestion of contaminated food or drinks, and occasionally by aerosol. Outbreaks may occur in settings like institutions and child care centers.

• 急性腹泻通常是透过受病菌或病毒污染的手或进食受污染的食物或饮品传染,间中亦可经空气中的飞沫传播。