This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concepts of Immunity, Classification of Vaccines, 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 vaccine efficacy is reduced by concurrent administration of measles immunoglobulin. - Measles vaccine alone gives quite good (immunity) level of protection. - Hence we avoid giving Measles Immunoglobulin alongwith measles vaccine. - For tetanus, rabies & Hep B vaccination & Ig can be given together.', 'role': 'assistant'}]