True about diarrhea –
DIARRIFEAIN CHILDREN
Diarrhoea - It is the passage of liquid or watery stool more than three times a day. However it is the recent change in consistency of stools rather than the number of stools that is the more  important feature.
Persistent diarrhoea - It is defined as diarrhoea of presumed infectious origin that begins acutely and lasts for 14 days or more (2-4 weeks).
Chronic diarrhea - Diarrhea lasting > 4 weeks.
Dysentery - Characterized by the presence of blood and pus in the stools, abdominal cramps and fever.
In India, rotavirus and ETEC accounts for nearly half the total diarrhea! episodes among children.
Blood mixed with mucous stool is defined as dysentery
Rota virus is the MC organism in children
Persistent diarrhea is defined if duration is more than 21 days
All of these
All of these