This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
In children diahorrhea "infantile" diahorrea is most commonly due to: 
Select and explain. 
A. Adeno virus, B. Rota virus, C. Reo virus, D. HPV
B: Rota virus
Answer: B: Rota virus 
Explanation: Rota virus