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: Pediatrics
[{'content': 'Treatment of choice in 11 years old chidren with hepatitis C infections - \nSelect and explain. \nA. Vaccine, B. Interferon, C. Gamma-globulin, D. Coicosteroids', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Interferon o Amongst the given options only IFN-a is used.", 'role': 'assistant'}]