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: Medicine
Vaccine against capsulated organism given how many weeks before splenectomy ? 
Select and explain. 
A. 1 week, B. 2 week, C. 4 week, D. 6 week
B: 2 week
Answer: B: 2 week 
Explanation: Answer- B. 2 weekPneumococcal polysaccharide (PPSV) vaccination; If elective splenectomy is planned, vaccinate at least 2 weeks before surgery.