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: Pharmacology
Antiviral agent of choice in a child with bronchiolitis? 
Select and explain. 
A. Vidarbin, B. Ribavirin, C. Acyclovir, D. Amantadine
B: Ribavirin
Answer: B: Ribavirin 
Explanation: Ans. is 'b' i.e., Ribavirin Ribiavirin is the standard treatment for RSV bronchiolitis in infants and children.