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': 'Which of the following is the most preferred antirabies vaccine: September 2004 \nSelect and explain. \nA. Duck embryo vaccine, B. NTV from suckling mouse brain, C. HDCV, D. NTV from Sheep brain', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. HDCV', 'role': 'assistant'}]