This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Post exposure active immunity should be given together in all except \nSelect and explain. \nA. Tetanus, B. Rabies, C. Measles, D. Hepatitis B', 'role': 'user'}, {'content': "Answer: C \nExplanation: Park's textbook of preventive and social medicine 23rd edition *The active immunity in case of diseases like chickenpox,rubella and measles is acquired following clinical infection", 'role': 'assistant'}]