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Dispatch 3: Shared Immunity

Radiolab

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Plasma Donors

Every virus has a number that we call R0. That's how many people, an average infected person, will themselves infect. SARS-CoV-2 is closer to three; everybody on average who's got it is going to give it to three other people. "The greatest tragedy in my mind of this entire illness ... is the fact that people die alone," says Popadoc.

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