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': 'Which of the following is the "Least Common" complication of measles? \nSelect and explain. \nA. Diarrhoea, B. Pneumonia, C. Otitis media, D. SSPE', 'role': 'user'}, {'content': "Answer: D \nExplanation: The most serious complication is meningoencephalitis. A rare late complication in subacute sclerosing panencephalitis. REF:ANANTHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:512,513", 'role': 'assistant'}]