Makers of successful COVID-19 vaccines wrestle with options for many thousands who received ...

Retrieved on: 2020-12-22 19:26:50

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Makers of successful COVID-19 vaccines wrestle with options for many thousands who received .... View article details on hiswai:

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Half the participants in the efficacy trial of the Moderna COVID-19 vaccine received a placebo, and whether—and how—the company should offer the ...

Article found on: www.sciencemag.org