Covid-19 vaccine boosters may be necessary. Here's what you need to know

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Vaccine makers are preparing for a next possible phase of the Covid-19 vaccine rollout: booster doses. Here's what you need to know.

Covid-19 booster shot will likely be needed within a year of vaccination, Fauci saysCurrently three coronavirus vaccines are authorized for emergency use in the United States -- the two-dose Pfizer/BioNTech vaccine for people 12 and older, the two-dose Moderna vaccine and the single-dose Johnson & Johnson vaccines for everyone 18 and older.

How vaccines stop the spread of viruses 01:26Scientists at a number of companies that make Covid-19 vaccines have also predicted the need for boosters within a year -- but the scientific community is not in widespread agreement on this. So far, studies have shown that mRNA vaccines -- those made by Pfizer and Moderna -- maintain more than 90% efficacy six months after getting vaccinated. And scientists say it's likely much longer.Other studies have looked at antibodies in the lab.

"At this time, available information suggests that the FDA-authorized vaccines remain effective in protecting the American public against currently circulating strains of SARS-CoV-2. However, if there is an emergence of SARS-CoV-2 variant in the U.S. that are moderately or fully resistant to the antibody response elicited by the current generation of COVID-19 vaccines, it may be necessary to tailor the vaccines to the variant," an FDA spokesperson told CNN in May.

 

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Boosters were a conspiracy theory 3 months ago

Nope

Tell me when. CVS here I come!

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