What Do You Think? Answers! 

Is this statement true or false? 

After puncturing a vial, it may be used up to 12 hours later if stored in the refrigerator.

Answer: FALSE. A punctured vial of vaccine can be stored at 2°C to 8°C (36°F to 46°F) for up to 6 hours or at room temperature (maximally 25°C or 77°F) for up to 2 hours. Vaccine not used within this timeframe must be discarded.



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Page last reviewed: November 16, 2021