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