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  1. Oct 13, 2023 · In the first ten months that COVID-19 vaccines were available, they saved over 200,000 lives and prevented over 1.5 million hospitalizations in the United States. This is the purpose of these vaccines: to save lives and prevent severe disease. They can also reduce the risk of Long COVID.

  2. Share this. This article was reviewed by a member of Caltech's Faculty. Vaccines are powerful and effective tools for preventing and slowing the spread of disease. When the body is invaded by a pathogen, such as SARS-CoV-2, the immune system typically responds by attacking it with the help of white blood cells.

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  3. Sep 12, 2023 · The latest vaccine, as with previous iterations, is primarily meant to prevent severe illness, hospitalization and death from Covid-19. Because viruses continuously evolve,...

    • Tara Wu
  4. Jul 5, 2023 · The purpose of a phase 1 trial is to see whether, or how, the vaccine generates an immune response in humans and if it causes any potentially dangerous side effects. Phase 2.

  5. Sep 15, 2021 · Background. COVID-19 vaccination is a critical prevention measure to help end the COVID-19 pandemic. COVID-19 vaccines are now widely available in the United States, and CDC recommends all people 12 years and older be vaccinated against COVID-19.

    • 2021/09/15
  6. Nov 4, 2023 · A coronavirus disease 2019 (COVID-19) vaccine can prevent you from getting COVID-19 or from becoming seriously ill or dying due to COVID-19. But how do the different types of COVID-19 vaccines work? Each COVID-19 vaccine causes the immune system to create antibodies to fight COVID-19.

  7. COVID-19 Home. Overview of COVID-19 Vaccines. Updated Oct. 16, 2023. What You Need to Know. Vaccine recommendations are based on age, time since last dose, and in some cases, the Trst vaccine received. People who are moderately or severely immunocompromised have speciTc recommendations for COVID-19 vaccines.

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