Managing the Vaccine Vial Monitor in Kenya. Colour lithograph by Ministry of Health, ca. 2000.

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<p>The V.V.M. was manufactured by PATH in 1996: 'The vaccine vial monitor is a small sticker, no bigger than a dime, that adheres to the vaccine vial and changes color as the vaccine is exposed to heat. The color of the sticker tells health workers whether the vaccine is bad or can be safely used for immunization' (Source: http://www.path.org/projects/vaccine_vial_monitor.php )</p>

Managing the Vaccine Vial Monitor in Kenya. Colour lithograph by Ministry of Health, ca. 2000.

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