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  4. www.cdc.gov › coronavirus › 2019-ncovVariants of the Virus | CDC

    Feb 6, 2023 · New variants of SARS-CoV-2, the virus that causes COVID-19, will continue to occur. CDC coordinates collaborative partnerships which continue to fuel the largest viral genomic sequencing effort to date. The Omicron variant, which emerged in November 2021, has many lineages.

  5. covid.cdc.govCDC COVID Data Tracker

    All COVID-19 topics including prevention, travel, work, and school. CDC’s home for COVID-19 data. Visualizations, graphs, and data in one easy-to-use website.

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  7. www.cdc.gov › coronavirus › 2019-ncovCoronavirus Disease 2019 (COVID-19) | CDC

    Mar 15, 2024 · Find links to guidance and information on all topics related to COVID-19, including the COVID-19 vaccine, symptom self-check, data, and other topics.

  8. stacks.cdc.gov › view › cdcSARS-CoV-2 variant classifications and definitions - CDC Stacks

    • Genetic variants of SARS-CoV-2 have been emerging and circulating around the world throughout the COVID-19 pandemic. • Viral mutations and variants in the United States are routinely monitored through sequence-based surveillance, laboratory studies, and epidemiological investigations.

  9. www.cdc.gov › mmwr › volumesGenomic Surveillance for SARS-CoV-2 Variants Circulating in ...

    Jun 10, 2021 · Variants have the potential to affect transmission, disease severity, diagnostics, therapeutics, and natural and vaccine-induced immunity. In November 2020, CDC established national surveillance for SARS-CoV-2 variants using genomic sequencing.

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