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
In a splenectomized patient, there is an increase of infection by all the organisms except - 
Select and explain. 
A. Pneumococci, B. Klebsiella, C. H. influnzae, D. Staph. aureus
D: Staph. aureus
Answer: D: Staph. aureus 
Explanation: None