How to Do a Shake Test
Related Videos
    Vaccine Delivery

    Assessing an Infant’s Eligibility for Immunization

    Stock Management

    Arranging Vaccines Inside Any Refrigerator

    Vaccine Delivery

    Reconstitute a Vaccine with an RUP Syringe

    Cold Chain

    Reading an Electronic Freeze Indicator

    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.