This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Principles of Immunization and Vaccination, Subject name: Social & Preventive Medicine
[{'content': 'Post exposure prophylaxis schedule of rabies vaccine in a previously immunized person \nSelect and explain. \nA. Day 0,3, 7, 14,21,90, B. Day 0,3, 7, 14,28,90, C. Day 0, 3, 7, D. day 0, 7, 28', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Day 0, 3, 7Ref: K. Park 23rd ed. / 279-80Schedule of Prophylaxis Rabies vaccineTypes of prophylaxisSchedulePre-exposureDay 0, 7, 28Post- exposureDay 0, 3, 7,14, 28, 90Post- exposure in vaccinatedDay 0, 3, 7', 'role': 'assistant'}]