Summary What is already known about this topic? Adults aged ≥18 years reported adverse reactions less frequently after receipt of a homologous Pfizer-BioNTech COVID-19 booster dose than after the second primary dose. What is added by this report? Among persons aged 12–17 years, reactions after Pfizer-BioNTech booster vaccination were generally […]
Moderna Inc executives said on Thursday they believe a fourth COVID-19 vaccine shot will be needed late this year due to waning protection from earlier doses, which could push up sales in the second half of 2022. Chief Executive Stephane Bancel stressed that the company’s current sales projections for its […]
Protection against COVID-19 waned 4 to 5 months after a third dose of Pfizer (Comirnaty) or Moderna’s (Spikevax) vaccine, with steeply declining protection against emergency department (ED) visits as well as hospitalization during Omicron, researchers found. During the Omicron period, vaccine effectiveness (VE) against ED or urgent care visits was […]
A recent study shows that two doses of mRNA (Pfizer-BioNTech or Moderna) or one dose of viral vector (Johnson & Johnson) COVID-19 vaccines were insufficient to produce adequate immunity to a lab-created Omicron variant or pseudovirus. The Omicron pseudovirus infected cells at a higher rate than other pseudovirus variants. The […]
Do I qualify for a COVID-19 vaccine booster and which one? Which primary vaccine series did you complete? Pfizer-BioNTech You can get a booster if: It’s been at least 5 months since completing a primary series AND you are: Age 12+ If eligible, you can get a booster of: Pfizer-BioNTech* […]
Booster shot protection against symptomatic COVID-19 caused by the Omicron variant appears to fade in about 10 weeks, according to new data from Britain. U.K. health officials shared the data just before Christmas and noted that there haven’t been enough severe cases of the Omicron variant to calculate how well boosters protect […]
A booster dose of the coronavirus (COVID-19) vaccine helps improve the protection you have from your first 2 doses of the vaccine. It helps give you longer-term protection against getting seriously ill from COVID-19. Who can get a COVID-19 booster dose You can get a booster dose if you had […]
Everyone Ages 18 and Older Should Get a Booster Shot IF YOU RECEIVED Pfizer-BioNTech or Moderna Who should get a booster: Everyone 18 years or older When to get a booster: At least 6 months after completing your primary COVID-19 vaccination series. Which booster should you get? Any of the […]
Créditos: Comité científico Covid
Americans this week were handed a big decision when it comes to getting a COVID-19 vaccine booster. The U.S. Centers for Disease Control and Prevention (CDC) on Thursday said individuals who qualify could choose a different vaccine from the one they received for their initial inoculation. For Americans asking how to […]
