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': 'The following are true of vibro cholerae except \nSelect and explain. \nA. Produces indole and reduces nitrates, B. Synthesises neuraminidase, C. Dies rapidly at low temperature, D. All', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Dies rapidly at low temperature . Duration of protection of cholera vaccine is 3-6 months. . Vibrio cholerae does not die at lower temperature, infact it grows at lower temperature (range 16-40degC)", 'role': 'assistant'}]