This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Early reaction of lepromin test is read at: \nSelect and explain. \nA. 24 hours, B. 36 hours, C. 48 hours, D. 72 hours', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Early reaction to lepromin test is known as Fernandez reaction. It is read after 48 hours of injecting lepromin. The reaction is a result of delayed hypersensitivity reaction to soluble constituents of the leprosy bacilli. Ref: Park 21st edition, page 294.', 'role': 'assistant'}]