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  1. Jul 6, 2023 · So, what are vaccines made of? The quick answer? Pathogens. Vaccines familiarize your immune system — which makes antibodies to defend your body against harmful invaders — with a certain pathogen so it’ll know what to do if you become infected with that pathogen in the future.

  2. Feb 18, 2021 · First, are all the vaccines the same? No. Different COVID-19 vaccines use different technologies, or “platforms”. The most conventional one is the inactivated vaccine. It contains dead virus.

  3. www.gavi.org › vaccineswork › how-are-vaccines-madeHow are vaccines made? - GAVI

    Apr 28, 2021 · Vaccines are made up of whole bacteria or virus, or parts of them, often a protein or sugar. These active components of the vaccine, called antigens, are what trigger an immune response when in the body.

  4. Dec 8, 2020 · Learn more about vaccines – from how they work and how they’re made to ensuring safety and equitable access – in WHO’s Vaccines Explained series. What are the ingredients in a vaccine? Vaccines contain tiny fragments of the disease-causing organism or the blueprints for making the tiny fragments.

  5. Nov 23, 2020 · Ten years' vaccine work achieved in about 10 months. Yet no corners cut in designing, testing and manufacturing. They are two statements that sound like a contradiction, and have led some to...

  6. Learn more about the vaccine-making process with Pfizer. Explore the meticulous journey of how vaccines are made, unraveling the science behind vaccine development.

  7. Apr 9, 2021 · The development of several highly efficacious vaccines against a previously unknown viral pathogen, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), in less than 1 year from the identification of the virus is unprecedented in the history of vaccinology.

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