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Sep 3, 2024 · 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 three times since then with shots targeting different iterations of the Omicron strain of the virus.
- kathy.katella-cofrancesco@yale.edu
Sep 16, 2024 · Moderna COVID-19 vaccine 2024-2025 formula is authorized for people ages 6 months through 11 years. Spikevax is approved for people age 12 and older. The vaccines that help protect against COVID-19 are safe and effective based on clinical trials and continued monitoring.
Comparative effectiveness of moderna, Pfizer-BioNTech, and Janssen (Johnson & Johnson) vaccines in preventing COVID-19 hospitalizations among adults without immunocompromising conditions - United States, March-August 2021
Jun 6, 2022 · The WHO Strategic Advisory Group of Experts on Immunization (SAGE) has issued interim recommendations for the use of the Janssen Ad26.COV2.S COVID-19 vaccine against COVID-19. Here is what you need to know.
Sep 22, 2021 · For the secondary end point of Covid-19 with onset at least 14 days after the first injection, the vaccine efficacy, based on adjudicated cases of Covid-19 in the per-protocol population among...
- Hana M El Sahly, Lindsey R Baden, Brandon Essink, Susanne Doblecki-Lewis, Judith M Martin, Evan J An...
- 2021
Feb 26, 2021 · The most basic difference is that the Johnson & Johnson vaccine is an adenovirus vector vaccine, while the Moderna and Pfizer vaccines are both mRNA vaccines. Messenger RNA vaccines use...
Jun 15, 2021 · The interim recommendations for use of Pfizer-BioNTech BNT162b2, Moderna mRNA–1273 and Janssen Ad26.COV2.S vaccines have been updated to reflect latest evidence. For further information, see below:
