Saturday, Apr 20, 2024 | Last Update : 11:55 AM IST

COVID vaccine booster shot

Booster shots needed against omicron, CDC studies show

Three shots of Pfizer, Moderna jabs were about 67% effective against omicron-related symptomatic disease compared with unvaccinated people

22 Jan 2022 11:08 AM

US urges COVID boosters starting at age 12 to fight Omicron

Studies show a booster dose at least temporarily revs up antibodies to levels that offer the best chance at avoiding symptomatic infection

06 Jan 2022 12:43 PM

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