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Created by the Public Governance Directorate

This website was created by the OECD Observatory of Public Sector Innovation (OPSI), part of the OECD Public Governance Directorate (GOV).

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Koldchain is the world's lowest-cost, patent-pending, GAVI-endorsed, solution based on thermosensitive polymers that leave distinct patterns upon exposure to temperature shifts. These patterns are interpreted by our smartphone algorithm to detect whether temperature fluctuations have damaged vaccines or other sensitive maternal health biotech products, and thus prevent infant & maternal mortality. The same tech applies to dairy, meat, and many other products where temperature affects quality.