Low Temperature Fridges and Freezers, Vaccine Freezers
The vaccine “cold chain” maintains product quality from the time of manufacture until the point of administration. If the cold chain is not properly maintained, vaccine potency may be lost, resulting in a useless vaccine supply. The Centres for Disease Control and Prevention’s (CDC) Vaccine Storage Handling Tool Kit, updated annually, provides the following guidelines and recommendations for proper vaccine storage:
- Use purpose-built or pharmaceutical-grade units designed to either refrigerate or freeze. These units can be compact, under-the-counter style, or large.
- Microprocessor-based temperature control with a digital temperature sensor (thermocouple, resistance temperature detector [RTD], or thermistor)
- Fan-forced air circulation with powerful fans or multiple cool air vents promotes uniform temperature and fast temperature recovery from an out-of-range temperature.
- Refrigerators should maintain temperatures between 2°C and 8°C (36°F and 46°F)*
- Freezers should maintain temperatures between -50°C and -15°C (-58°F and +5°F)
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