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: Microbiology
After splenectomy, most common infection ? 
Select and explain. 
A. Pneumococcal, B. E. coli, C. Klebsiella, D. Streptococcus
A: Pneumococcal
Answer: A: Pneumococcal 
Explanation: Ans. is 'a' i.e., Pneumococcal The most serious consequence of splenectomy is increased susceptibility to bacterial infections, paicularly those with capsules such as Str. pneumoniae (Most common) H. influenzae Gram negative enteric organisms Splenectomized patients are also more susceptible to parasitic disease babesiosis. There is no increased risk of viral infection after splenectomy.