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': 'An emerging viral pathogen causing pyelonephritis in kidney allografts is- \nSelect and explain. \nA. Molluscom contagiosum, B. Herpes simplex virus, C. Polyoma virus, D. Influenza virus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: polyoma virus cmain multiplication site is brain&renal celld.this virus is seen in urine of the patient who had undergone kidney transplant REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.554', 'role': 'assistant'}]