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: Microbiology
[{'content': 'Number of doses of HDCV vaccine required for preexposure prophylaxis ? \nSelect and explain. \nA. 7, B. 5, C. 3, D. 1', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 3 Pre-exposure prophylaxis . Persons who run a high risk of repeated exposure such as laboratory staff working with rabies virus, veterinarian, animal handlers and wild -life officers should be protected by pre-exposure immunization. . Cell-culture vaccine given on days 0, 7 and 28 (Total 3 doses) . Fuher booster should be given at intervals of 2 years.", 'role': 'assistant'}]