Has Your Vaccine Been Damaged by Freezing? Shake Test Instructions

Poster describing how to conduct the shake test to determine whether a vaccine has been frozen. This document is part of a series that describes the serious risk of freezing vaccines and provides tools to reduce freezing in the cold chain. The materials contain current WHO-recommended freeze-prevention strategies targeted toward all levels of storage and transport of vaccines.

Publication date: January 2003

Available materials

  1. English

    1. Has Your Vaccine Been Damaged by Freezing? Shake Test Instructions - PDF

  2. French

    1. Has Your Vaccine Been Damaged by Freezing? Shake Test Instructions [French] - PDF