A recent Pfizer or Moderna mRNA-vaccine booster provided good but temporary protection against infection by the SARS-CoV-2 Omicron variant, according to a study from researchers at Weill Cornell Medicine—Qatar.
Jun 15, 2022
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Soaring Omicron cases around the globe could increase the risk of a newer, more dangerous variant emerging, the World Health Organization in Europe warned on Tuesday.
Jan 4, 2022
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An international research team has provided one of the first real-world estimates of vaccine effectiveness against omicron infections, irrespective of symptoms or severity. From a serological survey of 5,310 blood donors ...
Feb 7, 2023
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People who are vaccinated and have had a booster shot against COVID-19 recover from symptoms from the Omicron variant more than three days earlier than those with the Delta variant, a study said Friday.
Apr 7, 2022
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It has been four years since the start of the COVID-19 pandemic. SARS-CoV-2 has yet to be eradicated and new variants are continuously emerging. Despite the extensive immunization programs, breakthrough infections (infection ...
Jan 19, 2024
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People infected with the omicron variant show poor immune boosting against future SARS-CoV-2 infection.
Jun 14, 2022
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Two years into the pandemic, researchers have learned a lot about how COVID-19 affects people with heart disease and stroke survivors. But like the coronavirus itself, what everyone needs to know keeps evolving.
Jan 18, 2022
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Long COVID appears to manifest as a post-viral syndrome indistinguishable from seasonal influenza and other respiratory illnesses, with no evidence of increased moderate-to-severe functional limitations a year after infection, ...
Mar 14, 2024
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Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the omicron variant is safe and works—just days before regulators debate whether to offer Americans updated booster shots this fall.
Jun 25, 2022
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If you think the omicron variant has swept throughout the world at a bewildering pace, that's because it has.
Dec 17, 2021
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