A new study using serum from human blood samples suggests neutralizing antibody levels produced by two-dose mRNA vaccines against the original and early variants of the SARS-CoV-2 virus wane substantially over time, and offer ...
Mar 1, 2022
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Genetics play an important role in how our bodies respond to vaccines and booster shots, suggesting that certain protective responses elicited by vaccination could be more effective with personalization, according to a new ...
Feb 23, 2022
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T-cell responses directed against the receptor-binding domain of the SARS-CoV-2 spike protein were associated with protection from SARS-CoV-2 infection in vaccinated individuals with or without cancer, with lower T-cell responses ...
Feb 18, 2022
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For at least six months after COVID-19 vaccination, antibodies produced by immune cells become steadily more formidable and more precisely targeted against the virus that causes COVID-19, according to a study of the antibody ...
Feb 15, 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 either the ChAdOx1 nCoV-19 (Oxford-AstraZeneca), BNT162b2 (Pfizer-BioNTech), AD26.COV2-S (Janssen) or CoronaVac (SinoVac) coronavirus vaccine induce a significant increase in antibody levels in those ...
Jan 24, 2022
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Millions of people around the world have received two shots of Sinovac, a Chinese-manufactured inactive vaccine that is used in 48 countries to help reduce transmission rates of COVID-19.
Jan 20, 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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Prior infection with coronaviruses that cause the common cold impedes the antibody immune response against SARS-CoV-2, the coronavirus responsible for COVID-19. The results from St. Jude Children's Research Hospital appeared ...
Jan 13, 2022
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Chile will offer its citizens a fourth coronavirus vaccine dose from February, starting with high-risk categories, President Sebastian Pinera has announced.
Dec 24, 2021
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