+The **cold chain** is a temperature-controlled supply chain, an unbroken sequence of production, storage, and distribution activities. It ensures that sensitive goods, such as [Vaccines](/wiki/vaccines) and perishable [Food](/wiki/food), maintain a desired temperature range from origin to consumption, preserving their potency and freshness.
+## See also
+- [Logistics](/wiki/logistics)
+- [Refrigeration](/wiki/refrigeration)
+- [Supply Chain](/wiki/supply_chain)