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': 'HPV vaccine is - \nSelect and explain. \nA. Monovalent, B. Bivalent, C. Quadrivalent, D. Both bivalent and quadrivalent', 'role': 'user'}, {'content': 'Answer: D \nExplanation: HPV vaccine containing anyigen from6,11,16&18 REF:MICROBIOLOGY ANANTHA NARAYANAN NINTH EDITION PAGE.553', 'role': 'assistant'}]