Diarrheal illness is one of the leading causes of death worldwide It is most commonly encountered in developing countries Can be life-threatening in infants young children and elderly people Most individuals with this illness can be managed as outpatients• Diarrheal illness is one of the leading causes of death worldwide. • It is most commonly encountered in develeoping countries. • Can be life-threatening in infants, young children, and elderly people. Most individuals with this illness can be managed as outpatients. 2