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  1. Dec 22, 2022 · Inactivated vaccines are used to protect against: Hepatitis A; Flu (shot only) Polio (shot only) Rabies; Live-attenuated vaccines. Live vaccines use a weakened (or attenuated) form of the germ that causes a disease. Because these vaccines are so similar to the natural infection that they help prevent, they create a strong and long-lasting ...

    • Vaccine Ingredients

      Today’s vaccines use only the ingredients they need to be...

    • Vaccines Work

      Before a vaccine is recommended for use in the United...

    • Chickenpox (Varicella)

      All children, adolescents, and adults who aren’t immune to...

    • HPV

      HPV is very common in the United States — at any given time,...

    • Vaccines by Disease

      Vaccines do a great job of keeping people from getting...

    • Pneumococcal

      Pneumococcal disease (noo-muh-KOK-uhl) causes thousands of...

    • Yellow Fever

      Yellow fever is common in parts of Africa and South America....

    • Measles

      The MMR vaccine protects children and adults from measles,...

    • Polio

      Thanks to the polio vaccine, we’ve come close to ending...

    • Live-attenuated vaccines. Live-attenuated vaccines contain live pathogens from either a bacteria or a virus that have been "attenuated," or weakened. According to Dr. Scully, live-attenuated vaccines are produced by selecting strains of a bacteria or virus that still produce a robust enough immune response but that does not cause disease.
    • Inactivated vaccines. Inactivated vaccines take a live pathogen and inactivate or kill it. When the vaccine is then introduced to a human through a shot, for example, the inactivated pathogen is strong enough to create an immune response, however, is incapable of causing disease.
    • Subunit vaccines. Subunit vaccines are made from a piece of a pathogen, not the whole organism, so they do not contain any live pathogens. Some important subunit vaccines are polysaccharide vaccines, conjugate vaccines, and protein-based vaccines.
    • Toxoid vaccines. Toxoid vaccines use inactivated toxins to target the toxic activity created by the bacteria, rather than targeting the bacteria itself.
  2. Apr 18, 2022 · Protection from a live, attenuated vaccine typically outlasts the protection provided by a killed or inactivated vaccine. Killed or Inactivated Vaccines. One alternative to attenuated vaccines is a killed or inactivated vaccine.

    • Why Are There So Many Vaccines in Development?
    • The Different Types of Vaccines
    • The Whole-Microbe Approach
    • The Subunit Approach
    • The Genetic Approach

    Typically, many vaccine candidates will be evaluated before any are found to be both safe and effective. For example, of all the vaccines that are studied in the lab and laboratory animals, roughly 7 out of every 100 will be considered good enough to move into clinical trials in humans. Of the vaccines that do make it to clinical trials, just one i...

    There are three main approaches to designing a vaccine. Their differences lie in whether they use a whole virus or bacterium; just the parts of the germ that triggers the immune system; or just the genetic materialthat provides the instructions for making specific proteins and not the whole virus.

    Inactivated vaccine The first way to make a vaccine is to take the disease-carrying virus or bacterium, or one very similar to it, and inactivate or kill it using chemicals, heat or radiation. This approach uses technology that’s been proven to work in people – this is the way the flu and polio vaccines are made – and vaccines can be manufactured o...

    A subunit vaccine is one that only uses the very specific parts (the subunits) of a virus or bacterium that the immune system needs to recognize. It doesn't contain the whole microbe or use a safe virus as a vector. The subunits may be proteins or sugars. Most of the vaccines on the childhood schedule are subunit vaccines, protecting people from di...

    Unlike vaccine approaches that use either a weakened or dead whole microbe or parts of one, a nucleic acid vaccine just uses a section of genetic material that provides the instructions for specific proteins, not the whole microbe. DNA and RNA are the instructions our cells use to make proteins. In our cells, DNA is first turned into messenger RNA,...

  3. Nov 4, 2023 · Curious about how mRNA vaccines and other types of COVID-19 vaccines can help you develop immunity to the COVID-19 virus? Understand how different technologies work with the immune system to provide protection.

  4. Feb 20, 2023 · Inactivated vaccines do not offer lifelong immunity and need topping up over time, but they may cause fewer side effects than live-attenuated vaccines. The types of diseases that inactivated...

  5. May 24, 2023 · Print. Understanding COVID-19 Vaccines. There are different types of vaccines. Learn about how COVID-19 vaccines work. Getting Vaccinated Is Safer Than Getting Sick. Vaccines help the body learn how to defend itself from disease without the dangers of a full-blown infection.

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    related to: attenuated vaccine vs inactivated vaccine
  2. 65 And Older & Got A 2023-24 COVID-19 Shot? You May Be Eligible For An Additional Dose. Use The Vaccine Finder To Find COVID-19 Vax Locations Near You & Help Stay Protected.

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