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

the-world’s-now-scrambling-for-dry-ice.-it’s-just-one-headache-in-getting-coronavirus-vaccines-where-they-need-to-go

Vaccines like to be kept cool, none more so than the Pfizer candidate for Covid-19, which has to be deep-frozen. And that’s going to be an issue for developing countries — and for rural areas in the developed world.

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