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
[{'content': 'Antiviral agent of choice in a child with bronchiolitis? \nSelect and explain. \nA. Vidarbin, B. Ribavirin, C. Acyclovir, D. Amantadine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Ribavirin Ribiavirin is the standard treatment for RSV bronchiolitis in infants and children.", 'role': 'assistant'}]