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The world's smartest sticker tells health workers in Kenya when vaccine is safe and effective

Run time: 3:13. Copyright 2007, PATH.

This video vignette describes how the vaccine vial monitor reassures health workers that vaccine is safe and effective—or alerts them that vaccine has been damaged by heat on the long journey from a European manufacturing plant to a remote village in Kenya. Nurse Gladys Wambu remembers the days before the sticker was available and speaks to its impact. Learn more about the vaccine vial monitor.