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
[{'content': 'After splenectomy which vaccine has to be given- \nSelect and explain. \nA. Pneumococal, B. Rotavirus, C. BCG, D. MMR', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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", 'role': 'assistant'}]