Effects of Freezing on Vaccine Potency: Literature Review
This document provides a literature review of articles about the effects of freezing on vaccine potency of hepatitis B, tetanus toxoid, diphtheria, and pertussis vaccines. Also included is a review of stability data of these vaccines at temperatures below 0°C. This document is part of a series that describes the serious risk of freezing vaccines and World Health Organization-recommended freeze-prevention strategies targeted toward all levels of storage and transport of vaccines.
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Diseases/vaccines: Not disease/vaccine specific