Prognosis

Fauci Says U.S. Going in ‘Wrong Direction,’ May Need Booster

Covid booster shot may be necessary for the most vulnerable
U.S. weighs tightened mask recommendations for the vaccinated

Why the U.S. Is Unprepared to Track More Covid Variants

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By Linus Chua and Yueqi Yang

July 25, 2021 at 1:47 PM UTC

Updated on

July 25, 2021 at 6:57 PM UTC

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The U.S. is moving in the “wrong direction” in combating a new wave of Covid-19, and a booster vaccine shot may be needed especially for the most vulnerable, said Anthony Fauci, the nation’s top infectious disease expert.