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 children with hepatitis C infections – 
Select and explain. 
A. Vaccine, B. Interferon, C. Gamma–globulin, D. Corticosteroids
B: Interferon
Answer: B: Interferon 
Explanation: Amongst the given options only IFN-a is used.