It will be the shot heard ‘round the world, once it comes. But exactly when can we expect a COVID vaccine? We discuss timelines, how it would work, who’s involved, and the role of human challenge trials.
Also, although he doesn’t consider himself brave, we do. Meet a Seattle volunteer enrolled in the first coronavirus vaccine trial. And, while we mount an elaborate defense against a formidable foe, scientists ask a surprising question: is a virus even alive?
Guests:
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