All three vaccinesModerna, Pfizer, and Johnson & Johnsonwere authorized for boosters as of November 2021.
The agency has also authorized additional mRNA booster doses for certain higher-risk individuals.
That authorization was later expanded to include children ages five and up.
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Third Dose vs.
The technology is very agile, says Felgner.
The updated version still needs to be thoroughly tested and vetted, and clinical trials are underway.
Will Boosters Work Against Variants?
Pfizer and BioNTech submitted early-stage clinical trial data to the FDA.
In the trials, participants received a booster shot eight to nine months after their second dose.
Moderna also initiated the data submission process of early clinical trial data.
For the Phase 2 clinical trial, participants received a booster dose six months after getting their second dose.
This vaccine is very effective even with the Delta variant that is so aggressive, says Felgner.
“Its able to prevent the severest form of coronavirus infection.
If youre immunocompromised, talk to a healthcare provider about receiving anadditional dose.
For the most recent updates on COVID-19, visit ourcoronavirus news page.
Centers for Disease Control and Prevention.COVID-19 vaccine boosters.
Centers for Disease Control and Prevention.Who is eligible for a COVID-19 vaccine booster shot?
Centers for Disease Control and Prevention.CDC recommends additional boosters for certain individuals.
Centers for Disease Control and Prevention.Omicron variant: what you gotta know.
Pfizer.Pfizer and BioNTech provide update on omicron variant.
