4,400 Modern Doses of Vaccine Not Kept Cool Enough Might be Unusable. Maine health officials noticed that during transport, several Moderna vaccine shipments were not kept sufficiently cool. According to the CDC, Moderna’s vaccine vials must stay at freezing temperatures between -25°C and -15°C. Whether the doses of the vaccine would have to be tossed away or even be used is uncertain. The vaccine was shipped from the manufacturer’s processing plant in Massachusetts to 50 locations throughout the state, health officials said. Processes are to guarantee that the doses are held cool, the U.S. Centers for Disease Control and Prevention reports.

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4,400 Moderna Vaccine Doses Not Kept Cold Enough May Be Unusable. https://www.npr.org/2021/01/19/958539556/4-400-moderna-vaccine-doses-not-kept-cold-enough-may-be-unusable