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
In case of renal transplant, most common infection within one month is - 
Select and explain. 
A. Pneumococcus, B. Gram-ve organism, C. Pneumocystis carinii, D. Cryptococcus
B: Gram-ve organism
Answer: B: Gram-ve organism 
Explanation: None