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Q23 (UPPCS/2023) Science & Technology › Biotechnology & Health

Which of the following is mRNA vaccine used against Covid-19 infection?

Explanation

The Moderna (mRNA-1273) vaccine is a prominent mRNA vaccine used against COVID-19. mRNA vaccines work by introducing a piece of messenger RNA that instructs cells to produce the SARS-CoV-2 spike protein, which triggers an immune response without using the actual virus.

  • Sinovac (CoronaVac) is an inactivated virus vaccine developed in China.
  • Sputnik V is a viral vector vaccine developed by Russia's Gamaleya Institute, using adenovirus vectors to deliver the genetic code of the spike protein.
  • Novavax (NVX-CoV2373) is a protein subunit vaccine that contains laboratory-grown spike proteins combined with an adjuvant to enhance the immune response.

Along with Moderna, the Pfizer-BioNTech vaccine is the other widely recognized mRNA-based COVID-19 vaccine.

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