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    Questions about this data:
    EAIDU-Coronavirus@dshs.texas.gov

    Physical address
    1100 West 49th Street, Suite G401
    Austin, Texas 78756
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    Mailing address
    Emerging & Acute Infectious Disease Unit
    Infectious Disease Prevention Section
    Department of Health State Services
    Mail Code: 1927
    PO Box 149347
    Austin, TX 78741-9347

    Phone: (512) 776-7676
    Fax: (512) 776-7616

Variants and Genomic Surveillance for SARS-CoV-2 in Texas

Variants of SARS-CoV-2, the virus that causes COVID-19, are expected to continue to emerge, a natural process that occurs as viruses spread. Some variants will disappear, and others will continue to spread and may overtake previous variants. For example, the variant of the virus that caused the first Texas COVID-19 cases in early 2020 is no longer being detected and has largely been replaced by the Alpha (B.1.1.7) and Delta (B.1.617.2) variants.

This data is provided by the CDC’s national SARS-CoV-2 genomic surveillance program, which identifies and tracks SARS-CoV-2 variants circulating in the United States. The program sequences thousands of COVID-19 cases each week to monitor the spread of variants in Texas. This information helps scientists and public health professionals understand how the virus spreads and changes over time. It also helps researchers know whether existing COVID-19 tests, treatments, and vaccines will continue to work against emerging variants.

This page shows data on variants of concern (VOC), variants of interest (VOI) and variants being monitored (VBM) with all other variants grouped together. More information on variant classification is available on the CDC website.


Last updated October 6, 2021