January 17, 2021

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Brazil researchers report disappointing 50.4% efficacy for CoronaVac

A coronavirus vaccine developed by China's Sinovac showed "general efficacy" of 50.4% in a late-stage trial in Brazil, researchers said on Tuesday, barely enough for regulatory approval and far short of earlier indications....

A coronavirus vaccine developed by China’s Sinovac showed “general efficacy” of 50.4% in a late-stage trial in Brazil, researchers said on Tuesday, barely enough for regulatory approval and far short of earlier indications.

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