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': 'Active and passive 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: Measles may be prevented by administration of immunoglobulin early in the incubation period. The person passively immunized should be given live measles vaccine 8-12 weeks later. The need for immunoglobulin has now reduced because of the availability of an effective live attenuated vaccine (refer pgno 149 park 23 rd edition)', 'role': 'assistant'}]