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 155.2 KB PDF
  2. French

    1. Has Your Vaccine Been Damaged by Freezing? Shake Test Instructions [French] 174.8 KB PDF