This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Booster dose of Tetanus toxoid should be given every? \nSelect and explain. \nA. 1 year, B. 5 years, C. 10 year, D. 15 year', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Firs t booster dose should be given a year after initial 2 doses. No more than 1 additional booster dose given 5 years after 3rd dose is required in adults Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 330', 'role': 'assistant'}]