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Vaccine Vial Monitors

Vaccine vial monitors (VVMs) are small stickers that adhere to vaccine vials and change color as the vaccine is exposed to heat, letting health workers know whether the vaccine can be safely used for immunization. This fact sheet describes PATH's work on VVMs.

Author: PATH

Published: 2014

» Download file (English)

712 KB PDF (Located at

Resource types: PATH resource, Fact sheet

Diseases/vaccines: Not disease/vaccine specific

Topics: Cold chain technologies, Presentation and packaging

Regions: Global