As winter looms and Americans increasingly gather indoors without masks or social distancing, a medley of new coronavirus variants is seeding a rise in cases and hospitalizations in counties across the nation.
The Biden administration’s plan for preventing a national surge depends heavily on persuading Americans to get updated booster shots of the Pfizer-BioNTech and Moderna vaccines. Now some scientists are raising doubts about this strategy.
Older adults, immunocompromised people and pregnant women should get the booster shots, because they offer extra protection against severe disease and death, said John Moore, a virus expert at Weill Cornell Medicine in New York.
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