boosters

Advisers to the U.S. Food and Drug Administration on Thursday unanimously voted in favor of targeting the same coronavirus strain for initial COVID-19 vaccine doses and boosters going forward, but some expressed skepticism about…

The updated COVID-19 boosters from Pfizer Inc/BioNTech and Moderna helped prevent symptomatic infections against the new XBB-related subvariants, offering new evidence of how the vaccines perform against these fast-spreading strains,…

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Vaccination and boosting, especially when recent, helped to limit the spread of COVID-19 in California prisons during the first Omicron wave, according to an analysis by researchers at UC San Francisco that examined transmission between…

The latest omicron boosters are 84% effective at keeping seniors 65 and older from being hospitalized with Covid-19 compared to the unvaccinated, according to a study published by the Centers for Disease Control and Prevention on Friday.And…

Evusheld injection, a new COVID treatment that people can take before becoming symptomatic, in Chicago on Friday, Feb. 4, 2022.Chris Sweda | Tribune News Service | Getty ImagesThe omicron subvariants that have become dominant in recent…

A staff member draws up a syringe with the Comirnaty vaccine from Biontech and Pfizer adapted to the Omicron-BA.1 variant at the Mainz vaccination center.Sebastian Christoph Gollnow | dpa | Picture Alliance | Getty ImagesCovid shots…

Oxford University's Sir John Bell, who served as Boris Johnson's testing tsar, said he's 'not entirely sure' that the nation needed top-up jabs, which health chiefs said was vital to boost protection amid the Omicron wave last…

A healthcare worker administers a dose of the Pfizer-BioNTech Covid-19 vaccine at a vaccination clinic in the Peabody Institute Library in Peabody, Massachusetts, U.S., on Wednesday, Jan. 26, 2022.Vanessa Leroy | Bloomberg | Getty ImagesThe…

Updated COVID-19 boosters offer increased protection against new coronavirus subvariants in people who have previously received up to four doses of the older vaccine, based on data from the first study to assess how the retooled shots are…