How to Do a Shake Test
Related Videos
    Cold Chain

    Reading an Electronic Freeze Indicator

    Vaccine Delivery

    How to Assess Possible Contraindications

    Cold Chain

    Reading a LogTag Temperature Recorder

    Cold Chain

    What Temperatures Should Vaccines Be?

    Stock Management

    Using Front-Opening Refrigerators


Some vaccines are sensitive to freezing. Once they have frozen, they should not be used. Fortunately, there is a way to tell if a freeze sensitive vaccine has been damaged by exposure to temperatures below zero degrees Celsius: the shake test.