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
Brain abscess in immunodeficient person is due to : 
Select and explain. 
A. Cryptococcus, B. Staphylococcus, C. Pneumococcus, D. E. coli
A: Cryptococcus
Answer: A: Cryptococcus 
Explanation: Ans. a. Cryptococcus