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: Surgery
Following splenectomy in children, which one of the following is recommended? 
Select and explain. 
A. Hepatitis B vaccination, B. Typhoid vaccination, C. Pneumococcat vaccination, D. Regular follow up
C: Pneumococcat vaccination
Answer: C: Pneumococcat vaccination 
Explanation: None