People with hematologic malignancies—or blood cancers including leukemia, lymphoma, and multiple myeloma—have an impaired immune system due to their disease and its treatment, putting them at risk of severe COVID-19 infection ...
Jul 11, 2022
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Three currently circulating omicron subvariants of SARS-CoV-2—including two that currently make up almost 50% of reported COVID-19 infections in the U.S.—are better at evading vaccine- and infection-generated neutralizing ...
Nov 22, 2022
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Patients under immunosuppressive therapy, who do not respond to primary COVID-19 vaccination, have an increased risk for severe COVID-19 disease courses. Until now, it was not clear whether those patients at risk can benefit ...
Jan 26, 2022
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People who received Johnson & Johnson's COVID-19 vaccine may benefit from a booster dose of Pfizer or Moderna, preliminary results of a US study published Wednesday showed.
Oct 14, 2021
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Booster vaccinations (third and fourth vaccinations) of COVID-19 mRNA vaccines that are not adapted to omicron variants do lead to higher blood levels of neutralizing antibodies against the omicron subvariants. However, these ...
Jul 20, 2023
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Although omicron subvariants of the SARS-CoV-2 pandemic coronavirus have evolved to evade antibody responses from the primary COVID-19 vaccine series, a new laboratory study suggests current vaccine boosters may elicit sufficient ...
Jul 19, 2022
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A new study suggests that a single bout of exercise does not change the immune response to a coronavirus booster shot in people with rheumatic autoimmune diseases. The article is published ahead of print in the Journal of ...
Feb 21, 2022
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The Biden administration is planning to give Americans age 50 or older the option of a second booster. But is a second booster necessary? Would it differ from the first booster? And who should receive the second booster first?
Mar 29, 2022
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Reducing the dose of a widely used COVID-19 booster vaccine produces a similar immune response in adults to a full dose with fewer side effects, according to a new study.
Nov 24, 2023
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COVID cases in Australia appear to be on the increase, most likely due to community transmission of the omicron variant XBB. Meanwhile, a second omicron variant—BQ.1—is now being recorded in Australia.
Nov 11, 2022
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