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May 1, 2024 · An mRNA vaccine is a type of vaccine that uses a copy of a molecule called messenger RNA (mRNA) to produce an immune response. [1] The vaccine delivers molecules of antigen -encoding mRNA into immune cells, which use the designed mRNA as a blueprint to build foreign protein that would normally be produced by a pathogen (such as a virus) or by a ...
May 1, 2024 · Some people have no side effects from the COVID-19 vaccine. For those who get them, most side effects go away in a few days. A COVID-19 vaccine can cause mild side effects after the first or second dose. Pain and swelling where people got the shot is a common side effect. That area also may look reddish on white skin.
Apr 30, 2024 · The Moderna vaccine is an mRNA vaccine, similar to the one developed by Pfizer. The technology behind these vaccines has been around for about three decades and shown promise in preventing notoriously difficult-to-prevent diseases—even cancer.
Apr 24, 2024 · The Novavax vaccine (brand names: Nuvaxovid and Covovax) was the fourth COVID vaccine to be administered in the U.S (after Johnson & Johnson, which is no longer available). This vaccine, which is a protein adjuvant, had a 90% efficacy in its clinical trial, performing almost as well as the mRNA vaccines in their early trials.
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Jan 12, 2021 · SARS-CoV-2 vaccine (mRNA-LNP, spike protein) is under investigation as an active immunization against COVID-19 caused by the SARS-CoV-2 virus in persons 6 months of age and older. SARS-CoV-2 (COVID-19) vaccine is used to prevent coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
2 days ago · e. The Oxford–AstraZeneca COVID‑19 vaccine, sold under the brand names Covishield [31] and Vaxzevria [1] [32] among others, is a viral vector vaccine for the prevention of COVID-19. It was developed in the United Kingdom by Oxford University and British-Swedish company AstraZeneca, [33] [34] [35] using as a vector the modified chimpanzee ...
Apr 25, 2024 · Children aged 6 months–4 years need multiple doses of COVID-19 vaccines to be up to date, including at least 1 dose of updated COVID-19 vaccine. People who are moderately or severely immunocompromised may get additional doses of updated COVID-19 vaccine. People aged 65 years and older who received 1 dose of any updated 2023-2024 COVID-19 ...
