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': 'About rabies true is ? \nSelect and explain. \nA. Vaccine causes life long immunity, B. Multiple strains are found, C. CNS infection occurs through viremia, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'None' . The immunity following vaccination with neural vaccines is expected to last for six months only. . CNS infection occurs by axoplasmic transpo of the virus. . It is Bullet shaped enveloped, Single stranded RNA Virus. . Rabies virus is of single serotype only, with two strains i.e., street virus and fixed virus.", 'role': 'assistant'}]