This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastro Intestinal System, Subject name: Pediatrics
The most common cause of diarrhea in children is- 
Select and explain. 
A. Vibrio cholera, B. E. coli, C. Rotavirus, D. Pneumococcus
C: Rotavirus
Answer: C: Rotavirus 
Explanation: Ans. is 'c' i.e., Rotavirus * Rotavirus is the single most common cause of diarrhea amongst children in both developed and developing world.* ETEC is the single most common cause of bacterial diarrhea amongst children in the developing world.* ETEC is the most common bacterial cause for Traveler's diarrheaQ.