This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Microbiology
[{'content': 'In renal transplant recipients, which is the likely organism causing reactivation disease within 1-4 months after surgery? \nSelect and explain. \nA. EBV, B. CMV, C. HSV, D. VZV', 'role': 'user'}, {'content': 'Answer: B \nExplanation: CMVis theMC viral agent causing oppounistic disease(esp. between 1-4 months after surgery) in transplant recipients.', 'role': 'assistant'}]