03/17/2021: Lab Advisory: CDC Publishes New Web Pages on SARS-CoV-2 Variant Classifications and Variant Proportions in the U.S.

CDC's Laboratory Outreach Communication System (LOCS)

Audience: Individuals Performing COVID-19 Testing

Level: Laboratory Advisory

On March 17, 2021, CDC published new Web pages on SARS-CoV-2 Variants and Variant Proportions in the United States. Visit these new pages for information about a new classification scheme for variants of SARS-CoV-2 and proportions of SARS-CoV-2 variants of concern by state.

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Online resources:

If you have any questions, please contact us at LOCS@cdc.gov.

Thank you,

Laboratory Outreach Communication System | Division of Laboratory Systems (DLS)

Center for Surveillance, Epidemiology, and Laboratory Services (CSELS)

Centers for Disease Control and Prevention (CDC)