Corona virus

The vaccines can defend against new, more transmittable and potentially more deadly variants of COVID-19.

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Why It Matters

New variants of the virus that causes COVID-19 are spreading in the United States and in other parts of the world.

Current data suggest that COVID-19 vaccines authorized for use offer protection against most variants currently spreading in the United States. The CDC is continuing to monitor how vaccines are working to see if variants have any impact on how well COVID-19 vaccines work in real-world conditions.

Man receiving a vaccine injection from a nurse