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
Treatment of choice in 11 years old chidren with hepatitis C infections - 
Select and explain. 
A. Vaccine, B. Interferon, C. Gamma-globulin, D. Coicosteroids
B: Interferon
Answer: B: Interferon 
Explanation: Ans. is 'b' i.e., Interferon o Amongst the given options only IFN-a is used.