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': 'Measles vaccine at a primary health centre should be stored at which temperature ? \nSelect and explain. \nA. -20°C, B. 0°C, C. +2°C to 8°C, D. Any temperature not exceeding room temperature', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]