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  1. Jan 12, 2024 · The 2023–2024 updated COVID-19 vaccines more closely targets the XBB lineage of the Omicron variant and could restore protection against severe COVID-19 that may have decreased over time. The manufacturers use different ingredients in the vaccines. None of the vaccines contain eggs, gelatin, latex, or preservatives.

  2. May 20, 2021 · The UC Health Pharmacy team breaks down the ingredients of the Pfizer, Moderna and Johnson & Johnson (Janssen) vaccine ingredients — why they’re included, and where else you might see them. Active Ingredients in the COVID-19 Vaccines

  3. Feb 7, 2022 · Mechanism of action. The Johnson & Johnson (Janssen) Vaccine is a product of a recombination and replication-incompetent human adenovirus type 26 vector that expresses the SARS-CoV-2 spike antigen. The adenovirus is normally responsible for symptoms similar to the common cold and serves as the viral vector.

    • 10.1080/21645515.2021.2002083
    • 2022
    • Hum Vaccin Immunother. 2022; 18(1): 2002083.
  4. Dec 9, 2020 · (4-hydroxybutyl)azanediyl)bis (hexane-6,1-diyl)bis (ALC-3015) (2- hexyldecanoate),2- [ (polyethylene glycol)-2000]-N,N-ditetradecylacetamide (ALC-0159)...

    • Antonio Regalado
  5. Mar 23, 2023 · The COVID-19 vaccines available in the U.S. all target the SARS-CoV-2 spike protein. But they contain different ingredients to train your immune system to fight against it. Other ingredients help balance acidity and keep the vaccines stable.

  6. Ingredients of the Pfizer-BioNTech and Moderna mRNA COVID-19 Vaccines. For both the Pfizer-BioNTech and Moderna COVID-19 vaccines, severe allergic reaction (e.g., anaphylaxis) to any component of the vaccine is a contraindication to vaccination.

  7. A conceptual diagram showing three vaccine types for forming SARSCoV2 proteins to prompt an immune response: (1) RNA vaccine; (2) subunit vaccine; (3) viral vector vaccine Vaccine platforms that are being employed for SARS-CoV-2.

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