One year after mass vaccination against COVID-19 was launched, inactivated virus vaccines accounted for half of the doses administered worldwide. Now, a large observational study performed in Brazil and co-led by Fiocruz ...
Oct 6, 2022
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In innumerable spy movies, the hero or a villain imprints a key in clay in order to later make an exact copy. In the body, the clay is messenger RNA, or mRNA, which imprints a gene and transfers the plans to a ribosome, where ...
Oct 10, 2012
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(HealthDay)—Patient-reported data indicate certain factors, such as vaccine brand (mRNA-1273) and younger age, are associated with an increased risk for adverse effects following COVID-19 vaccination, but serious adverse ...
Jan 5, 2022
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"What is new about this vaccine is that it works using genetic code," says Research Scientist Sven Even Borgos at SINTEF. "This means that the vaccine instructs the body to make small and accurately selected components of ...
Nov 20, 2020
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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 research group led by Professor Sachie Hiratsuka, of the Institute for Biomedical Research, Shinshu University, has found that a specific sequence of messenger RNA (mRNA), which exists outside cells, binds to receptors ...
Jun 21, 2021
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An additional "booster" dose of Moderna or Pfizer mRNA-based vaccine is needed to provide immunity against the Omicron variant of SARS-CoV-2, the virus that causes COVID-19, according to a study by researchers at the Ragon ...
Jan 6, 2022
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By taking inspiration from the evolutionary history of SARS-CoV-2 itself, scientists in China have crafted a new vaccine that, at least in animal models, provides protection against omicron and an array of its subvariants.
A nationwide study from the U.S. Centers for Disease Control and Prevention (CDC) is the first to show that immunity against severe COVID-19 disease begins to wane four months after receipt of the third dose of an mRNA vaccine ...
Feb 11, 2022
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More and more, scientists have realized that DNA is not the only way that a parent can pass on traits to their offspring. Events experienced by a parent over a lifetime can also have an impact.
Oct 19, 2015
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