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Key Facts

COVID-19 Resources

Updated on an ongoing basis. Last updated October 3, 2025.

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Key Facts

COVID-19 mRNA vaccines: Effectiveness Against Death

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COVID-19 vaccines saved millions of lives in the U.S.

COVID-19 mRNA vaccines: Effective Against Hospitalization

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COVID-19 vaccines prevented many hospitalizations in the U.S.

COVID-19 mRNA vaccines: Safety Profile

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The safety profile has been evaluated by governments around the world

What is mRNA?

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What is mRNA?