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': 'Multibacillary leprosy follow up for - \nSelect and explain. \nA. 12-18 months, B. 2 years, C. 5 years, D. 10 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: It is recommended that multibacillary cases be examined clinically atleast once a year for a minimum period of 5 years after the completion of therapy. Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 344', 'role': 'assistant'}]