nprnews_____ = ||| lubuntu at wor2 670N|||Novavax Says Its COVID Vaccine Is Extremely Effective||| kickerpage = |||no kicker pagenpr for NPRNEWS||| summarynpr = |||In a large scale study, Novavax said its vaccine was completely effective against the original coronavirus strain and also effective against some variants. It works differently than other vaccines.

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Novavax says its vaccine is 100% effective against the original strain of the coronavirus, and had 93% efficacy against more worrisome variants.

Alastair Grant/AP

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Alastair Grant/AP

The Coronavirus Crisis