Different types of COVID-19 vaccines

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 material that provides the instructions for making specific proteins and not the whole virus.

  • Inactivated vaccine
  • Live-attenuated vaccine
  • Viral vector vaccine

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    8th World Congress on Vaccine and Immunology

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