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January 21, 2022 No Comments

Booster Shots Are Instrumental in Fighting Omicron, C.D.C. Data Show

Extra doses of vaccines by Pfizer or Moderna were 90 percent effective at preventing Americans infected with Omicron from being hospitalized, new data suggests. The shots were most effective against infection and death among those aged 50 and older, the C.D.C. said. Follow Covid news.

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