CNN: The world’s now scrambling for dry ice. It’s just one headache in getting coronavirus vaccines where they need to go


The mRNA vaccine from Pfizer-BioNTech must be kept at -70 degrees Celsius. So as Pfizer plans to ship 1.3 billion doses next year, dry ice and isothermic boxes will be vital for distribution. Ethanol, a source of CO2 for dry ice, may become a limiting factor. Moreover, areas beyond the cold chain may have to rely on airlifts to get the vaccines. Click here to read more, and here for more coverage of the pandemic.

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