This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Immunocompromised patient due to transplantation is suffering from pyrexia and neutropenia. Most likely cause is - 
Select and explain. 
A. HSV, B. CMV, C. Gram (-) ve organism, D. Gram (+) ve organism
B: CMV
Answer: B: CMV 
Explanation: In immunocompromised host cmv can cause severe and even fatal infections. This occurs in tranplant recipients REF:ANANTHANARYANAN TEXT BOOK OF MICROBIOLOGY 9EDITION PGNO.474