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Background

Diarrhoea is a common cause of morbidity and a leading cause of death among children aged less than five years, particularly in low‐and middle‐income countries. It is transmitted by ingesting contaminated food or drink, by direct person‐to‐person contact, or from contaminated hands. Hand washing is one of a range of hygiene promotion interventions that can interrupt the transmission of diarrhoea‐causing pathogens.

Objectives

To evaluate the effects of interventions to promote hand washing on diarrhoeal episodes in children and adults.