This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Preventive Measures, Subject name: Pediatrics
After splenectomy which vaccine has to be given- 
Select and explain. 
A. Pneumococal, B. Rotavirus, C. BCG, D. MMR
A: Pneumococal
Answer: A: Pneumococal 
Explanation: Ans. is 'a' i.e., Pneumococal o Children at hight risk of pneumococal disease :-Congenital immunodeficiencyHIVImmunosuppresant drugSickle cell diseaseAsplenia, post splenectomyChronic cardiac diseaseChronic pulmonary, renal diseaseDiabetes mellitus