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
[{'content': 'Post transplant nephropathy after 1 month is most likely be due to? \nSelect and explain. \nA. Hepatitis C, B. HHV-6, C. Polyoma BK virus, D. Herpes simplex viruses', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) i.e. Polyoma BK virus', 'role': 'assistant'}]