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Variants and Genomic Surveillance for SARS-CoV-2

Variants and Genomic Surveillance for SARS-CoV-2
Updated Apr. 2, 2021
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Variant Proportions

Proportions of variants of concern and variants of interest in the US.
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Genomic Surveillance

What is a variant?

Viruses constantly change through mutation, and new variants of a virus are expected to occur over time.

About Variants of the Virus
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Variant Proportions in the U.S.

View data showing proportions of Variants of Concern and Variants of Interest.

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Global Variant Reports

View a global map showing reports of variants in each country.

Research and Selected Publications