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Preventing Freezing in Cold Boxes and Vaccine Carriers

This handout emphasizes the importance of, and methods for, preventing accidental freezing of heat-sensitive products in vaccine carriers. It illustrates how different configurations of ice packs affect temperature and show typical temperature readings of vaccine carriers containing frozen ice packs, conditioned ice packs, cool water packs, and no ice.

Author: PATH, World Health Organization

Published: 2013

» Download file (English)

3.5 MB PDF (Located at

» Download file (French)

3.5 MB PDF (Located at

Also known as: Prévention du Gel dans les Glacières et les Porte-Vaccins

Resource types: PATH resource, Fact sheet

Diseases/vaccines: Not disease/vaccine specific

Topics: Cold chain technologies

Regions: Global