In late March 2022, the U.S. Food and Drug Administration authorized a second booster shot of COVID-19 vaccines for vulnerable populations in the U.S., a move that was soon after endorsed by the Centers for Disease Control ...
Apr 13, 2022
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A Kaiser Permanente study published Feb. 14, 2022, in The Lancet Regional Health-Americas found that one month after a third dose, the Pfizer-BioNTech COVID-19 vaccine conferred higher effectiveness against infection and ...
Feb 14, 2022
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A new study from the Center for Disease Control and Prevention confirms what Mayo Clinic and other experts have been saying: COVID-19 booster vaccinations improve protection against severe illness and hospitalization. The ...
Feb 2, 2022
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U.S. regulators are urging drugmaker Pfizer to apply for emergency authorization for a two-dose regimen of its COVID-19 vaccine for children six months to 5 years old while awaiting data on a three-dose course, aiming to ...
Feb 1, 2022
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(HealthDay)—Receipt of a third COVID-19 mRNA vaccine dose is associated with increased vaccine effectiveness against COVID-19 hospitalization, according to research published in the Jan. 28 issue of the U.S. Centers for ...
Jan 28, 2022
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A booster dose of Moderna's COVID-19 vaccine showed signs of waning antibody levels against the omicron variant after six months, but the antibodies still remained effective against the variant in laboratory tests, according ...
Jan 27, 2022
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A third 'booster' dose of COVID-19 vaccine successfully raises antibody levels that neutralize the Omicron variant, according to laboratory findings from the Francis Crick Institute and the National Institute for ...
Jan 20, 2022
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U.K. government advisers have recommended against giving a fourth dose of COVID-19 vaccine to nursing home residents and people over 80 because data shows that a third shot offers lasting protection against admission to the ...
Jan 8, 2022
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(HealthDay)—Immune response may vary with the choice of COVID-19 vaccine used for a third dose or booster following two doses of ChAdOx1 nCoV-19 (ChAd) or Pfizer BioNTech BNT162b2 (BNT), according to a study published online ...
Dec 16, 2021
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Australia's drug regulator, the Therapeutic Goods Administration (TGA), today provisionally approved the Pfizer COVID vaccine to be used as a booster for anyone over the age of 18.
Oct 27, 2021
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