This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vaccination schedule, Subject name: Pediatrics
[{'content': 'What is the minimum age of vaccination of human papilloma virus vaccine? \nSelect and explain. \nA. 11 years, B. 9 years, C. 15 years, D. 13 years', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Minimum age to administer HPV vaccine is 9yrs HPV vaccine: - Two vaccines licensed globally are available in India Quadrivalent vaccine (Gardasil(tm) marketed by Merck)- Protects against HPV serotypes 6 ,11,16 & 18. Bivalent vaccine (Cervarix(tm) marketed by Glaxo Smith Kline) - Protects against HPV serotypes 16 and 18. Both vaccines are manufactured by recombinant DNA technology. - These vaccines prevents cervical in situ neoplasia grade 2,3 & adenocarcinoma in situ - Gardasil also prevents serotype related genital was, vaginal & vulvar intraepithelial neoplasia.', 'role': 'assistant'}]