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
[{'content': 'Immunocompromised patient due to transplantation is suffering from pyrexia and neutropenia. Most likely cause is - \nSelect and explain. \nA. HSV, B. CMV, C. Gram (-) ve organism, D. Gram (+) ve organism', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]