This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Most common post splenectomy infection is - 
Select and explain. 
A. Pneumococcus, B. Meningococcus, C. Staphylococcus, D. Corynebacterium
A: Pneumococcus
Answer: A: Pneumococcus 
Explanation: Ans. is 'a' i.e., Pneumococcus o The most serious consequence of splenectomy is increased susceptibility to bacterial infections, particularly those with capsules such asStr. pneumoniaeH. influenzaeGram negative enteric organismso Splenectomized patients are also more susceptible to parasitic disease babesiosis.o There is no increased risk of viral infection after splenectomy.