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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Researchers at the Peter Doherty Institute for Infection and Immunity (Doherty Institute) have shown that the body's T cells provide long-lasting memory against the virus following vaccination or infection from COVID-19.
Mar 23, 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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(HealthDay)—Some arthritis drugs may reduce the effectiveness of COVID vaccines, according to the Arthritis Foundation, which also offers advice on booster shots.
Jan 21, 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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Spain is making available a fourth COVID-19 vaccine dose to vulnerable citizens, including those with cancer, who have had a transplant or are receiving dialysis, the health ministry said Thursday.
Jan 13, 2022
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