Messenger RNA (mRNA) vaccines are a type of vaccine that uses a piece of genetic material from the virus to stimulate an immune response.

The Moderna vaccine is one such mRNA vaccine that has been developed to protect against the SARS-CoV-2 virus, which causes COVID-19.

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The Moderna vaccine contains a synthetic mRNA sequence that codes for a specific protein found on the surface of the SARS-CoV-2 virus.

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When the mRNA is injected into the body, it instructs cells to produce this viral protein, which then triggers an immune response that can protect against the actual virus.

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The Moderna vaccine has been shown to be highly effective at preventing COVID-19 infection. Clinical trials have demonstrated that the vaccine has an overall efficacy rate of around 94%

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The Moderna vaccine requires two doses to be administered, with a recommended interval of 28 days between doses. Both doses are necessary to achieve maximum protection against COVID-19.

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The Moderna vaccine has been approved for emergency use by regulatory agencies in several countries, including the United States, the European Union, and Canada.

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This vaccine is a critical tool in the fight against COVID-19. It has already been administered to millions of people around the world.

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