(Lee Powell/The Washington Post)
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Coronavirus

Inside the cold, complex world of getting a covid-19 vaccine into arms

November 24, 2020 | 2:14 PM GMT
After making a vaccine for the coronavirus, you have to get it to the masses. But that’s not so easy for a so-called cold chain vaccine, requiring exacting temperatures across its journey. It also takes two shots. Vaccinating much of the United States won’t happen fast.