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': 'All of the followng statements are true about DPT vaccine except - \nSelect and explain. \nA. It should be stored in deep freezer, B. Exposure to direct sunlight, when in use should be avoided, C. Store stocks are needed for three months at PHC level, D. Half - used ls should not be put back into the cold chain after the session', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., It should be stored in deep freezer DPT vaccine must be stored in cool pa of a freeze (at 4-8degC) but not in freezer. About other options :? o Exposure to direct sunlight should be avoided. o Open multi-dose ls which have not been fully used should be discarded at the end of session.", 'role': 'assistant'}]