07/06/2021: Lab Advisory: SARS-CoV-2 Variants AY.1 and AY.2 Now Aggregated with Delta Variant B.1.617.2

CDC's Laboratory Outreach Communication System (LOCS)

Audience: Individuals Performing COVID-19 Testing

Level: Laboratory Advisory

On July 6, 2021, CDC announced that SARS-CoV-2 variants AY.1 and AY.2 are now aggregated with Delta variant B.1.617.2.

CDC will continue to evaluate the independent classifications of variants AY.1 and AY.2 as more data become available. For more information, please visit the SARS-CoV-2 Variant Classifications and Definitions page and the COVID Data Tracker.

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For questions, contact us at LOCS@cdc.gov.

Thank you,

The Laboratory Outreach Communication System

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

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

Centers for Disease Control and Prevention (CDC)