After more than a year of constant, grim headlines, the story of mRNA vaccines provides some hope. The newly authorized technology has been decades in the making and could change the way we treat and prevent various diseases, from HIV to cancer. Doctors Drew Weissman, David Diemert, and Van Morris explain the background and potential future uses of this microscopic technology.

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Music: “Side Hustle” by Otis Galloway [License: CC BY 4.0]

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