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  1. Overview of COVID-19 Vaccines and Vaccination | Covid | CDC

    Nov 4, 2025 · Two types of COVID-19 vaccines are recommended for use in the United States: mRNA vaccines (Moderna and Pfizer-BioNTech) and a protein subunit vaccine (Novavax).

  2. mRNA vaccines have been demonstrated to be safe and effective against COVID-19, many other mRNA vaccines are in the pipeline, including a recently approved RSV mRNA vaccine

  3. Different types of COVID-19 vaccines: How they work

    Dec 24, 2025 · An mRNA vaccine gives cells instructions for how to make the S protein found on the surface of the COVID-19 virus. The vaccine shot sends the mRNA into the muscle.

  4. MRNA vaccine | Description, Technology, Uses, & Side Effects

    Dec 10, 2025 · The first mRNA vaccines approved for human use were the COVID-19 vaccines developed by Pfizer -BioNTech and Moderna in 2020.

  5. What to Know About mRNA Vaccines - The New York Times

    May 8, 2025 · How do mRNA vaccines work? Right now, there are three FDA-approved vaccines available that use mRNA, two for Covid-19 and one for R.S.V., or respiratory syncytial virus, in older …

  6. Comparing the COVID-19 Vaccines: How Are They Different?

    May 20, 2025 · First introduced in December 2020, the original COVID mRNA vaccines from both Pfizer and Moderna protected against the original SARS-CoV-2 virus. They have been replaced multiple …

  7. Understanding COVID-19 mRNA Vaccines - National Human …

    Aug 30, 2021 · mRNA vaccines are safe and cannot alter your DNA, and you cannot get COVID-19 from the vaccine. mRNA vaccines may seem to have arrived quickly, but this technology is built on …

  8. mRNA vaccine - Wikipedia

    In December 2020, Pfizer–BioNTech and Moderna obtained authorization for their mRNA-based COVID-19 vaccines.

  9. Effectiveness of the 2024–2025 KP.2 COVID-19 vaccines in the

    6 days ago · This target trial emulation study aimed to estimate the long-term vaccine effectiveness (VE) of the 2024-2025 COVID-19 vaccines targeting the KP.2 Omicron variant within the Veterans Health ...

  10. 2025–2026 COVID-19 Vaccination Guidance | Covid | CDC

    Nov 4, 2025 · The 2025–2026 COVID-19 vaccine is recommended for people ages 6 months and older based on individual-based decision-making (also known as shared clinical decision making). The …