Shot targeting omicron may be ready by March, Pfizer predicts
By
Alicia Lasek
Jan 11, 2022
The company says it is working with partner BioNTech to develop a shot that will combine its original vaccine with a drug that helps build immunity to the highly transmissible omicron variant.
Pfizer, Moderna vaccines recommended over Johnson & Johnson’s coronavirus shot
By
Alicia Lasek
Dec 17, 2021
Americans should preferably be vaccinated with the Pfizer-BioNTech or Moderna COVID-19 vaccines due to a rare but serious risk of blood clots and the lesser protection found with the J&J vaccine, CDC says.
CDC advises COVID boosters for all adults, citing worrisome omicron variant
By
Alicia Lasek
Nov 30, 2021
The new recommendation comes amid rising concerns about the omicron coronavirus variant — yet another reason to get an additional vaccine dose, health officials say.
Protection declines dramatically over time for all three COVID-19 vaccines: study
By
Amy Novotney
Nov 08, 2021
As the delta variant became the dominant strain of coronavirus across the United States, all three COVID-19 vaccines available to Americans lost some of their protective power, with vaccine efficacy among...
J&J’s COVID-19 vaccine 74 percent effective, real-world study finds
By
Alicia Lasek
Nov 04, 2021
Data from more than 8,800 vaccinated Mayo Clinic patients has found that a single dose of Johnson & Johnson’s COVID-19 vaccine reduces hospitalization in the face of widely circulating gene variants.
FDA expands COVID booster shot access; says vaccines can be mixed or matched
By
Alicia Lasek
Oct 21, 2021
The agency has amended the emergency use authorizations for Moderna’s and Johnson & Johnson’s COVID-19 vaccines to allow for the use of a single booster dose in certain eligible groups.
Federal health officials to OK mix-and-match booster vaccinations: report
By
Alicia Lasek
Oct 20, 2021
Clinicians will be free to administer any of the three U.S.-approved COVID-19 vaccines to eligible recipients once Moderna and Johnson & Johnson booster shots are authorized, sources say.
FDA panel recommends second J&J coronavirus vaccine dose for adult recipients
By
Alicia Lasek
Oct 18, 2021
Independent experts have unanimously agreed that a full second dose of the drugmaker’s COVID-19 vaccine be offered to adults aged 18 years and older at least two months after receipt of the first...
J&J asks for booster go-ahead, says second vaccine dose provides 100 percent COVID protection
By
Alicia Lasek
Oct 07, 2021
A second shot of Johnson & Johnson’s vaccine provides 100% protection against severe or critical COVID-19 when given two months after a first dose, according to new data.
J&J to ask FDA to approve its COVID-19 booster shot
Oct 04, 2021
Company has said that a second dose, given two months after the first, increases the vaccine’s effectiveness