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: Medicine
Child with agammaglobinemia with respiratory tract infection and diarrhoea is most likely having infection- 
Select and explain. 
A. Cocksackie virus, B. Rota Virus, C. Shigella, D. None of the above
B: Rota Virus
Answer: B: Rota Virus 
Explanation: None