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Individuals who are fully vaccinated now might not be considered so in the future without a COVID-19 booster shot, CDC says
Currently, being fully vaccinated in the US means an individual has both doses of the Pfizer or Mod…
Yelena Dzhanova
CDC advisors vote unanimously to give boosters to everyone with a J&J shot and some with Moderna. Here's how to know if you should get one.
COVID-19 booster shots should be available in the coming days for everyone who's had J&J, as well a…
Hilary Brueck
Pfizer says its booster shot has 95.6% efficacy against COVID-19 amid the Delta variant
The results came from Pfizer's late stage COVID-19 booster trial. The results haven't yet been form…
Sinéad Baker,Dr. Catherine Sc…
Booster shots important says new study as Covid vaccine protection is short-lived
"The mRNA vaccines produce the highest levels of antibody response and in our analysis confer more…
4 charts show why Moderna vaccine recipients may not need boosters as much people who got Pfizer's vaccine
Vials of the Pfizer (left) and Moderna (right) COVID-19 vaccines.Hazem Bader/AFP via Getty Images
Hilary Brueck
4 people who got COVID-19 booster shots share what it felt like to get an extra vaccine dose
People who've had booster doses of COVID-19 vaccines say it feels "like a hangover," and describe f…
Hilary Brueck,Andrea Michelso…
CDC director endorsed Pfizer booster shots for older Americans, people with underlying conditions, and those with higher risk on the job, partially breaking from advisory panel
The CDC advisory panel recommended not making healthcare workers and teachers eligible, but CDC Dir…
Kelsey Vlamis
CDC advisors green-light Pfizer boosters for older Americans and people with underlying conditions - but reject extra shots for healthcare workers, in a major break with the FDA
A panel advising the CDC poured over new data on vaccines this week before recommending boosters fo…
Hilary Brueck
Pfizer and Moderna have revealed the way they're tracking how long vaccine protection lasts
Protection from Pfizer and Moderna's COVID-19 vaccines wanes over time, but not all experts think i…
Erin Schumaker
The most common side effects to expect after your Pfizer booster: headache, fatigue, and pain at the injection site
After a third shot of Pfizer's vaccine, injection-site pain is most common side effect, followed by…
Aria Bendix
Do I need a fourth COVID-19 shot? Probably not, experts say — but the jury's still out.
Even the CEOs of Pfizer and Moderna, who were leaning toward fourth doses, have eased off their rhe…
Dr. Catherine Schuster-Bruce
The CDC says vaccine protection is tumbling for older Americans, though they still work very well for younger people
Vaccine are still protecting people under 65 very well. But older adults aren't getting the same ki…
Hilary Brueck
Booster shots against COVID-19 for all adults to be available from April 10
Only adults who have completed nine months after the second dose of the vaccine are allowed to t…
How to think about your immunity if you're one of the nearly 39 million Americans who've had COVID-19
Being infected with the coronavirus doesn't guarantee long-term immunity, so experts still advise p…
Aria Bendix
Israel's vaccine pass will expire 6 months after the 2nd dose, meaning people will need booster shots to keep going to restaurants and bars
The news comes as Israel extended the eligibility of boosters to all those over the age of 12. Abou…
Marianne Guenot
Transplant patients 'desperate' for COVID vaccine protection are getting illicit 3rd doses - and it might be working for some
A small study of transplant patients suggests third vaccine doses can be safe and effective, a prom…
Hilary Brueck
How, where, and when to get your COVID-19 booster shot
The FDA and CDC recommended Pfizer booster shots for some groups, including elderly people, this we…
Andrea Michelson,Aria Bendix
New findings show vaccine effectiveness falls over time - which is why the Biden administration is recommending booster shots
New data indicates that vaccine protection wanes over time, particularly in the face of the Delta v…
Aria Bendix,Hilary Brueck
Chart shows how much protection people have against Omicron after 1, 2, or 3 shots of vaccine
Vaccine protection held up against hospitalization, but waned after the second dose, per UK governm…
Marianne Guenot
Moderna plans to produce a booster vaccine shot specifically for the new coronavirus variant Omicron
Moderna has outlined its strategy to address the new coronavirus variant Omicron. BioNTech-Pfizer a…