The data in this dashboard is obtained from the GISAID database and the Wisconsin Department of Health Services (DHS) SARS-CoV-2 dashboard. It includes results generated for Wisconsin residents by WSLH and other labs. Note: Sequencing data may not match the DHS website due to different update frequencies and data sources.

Data Updated:

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Number of sequences by selected time period of sample collection.

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Cumulative number of sequences by date of sample collection.

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Proportion of all sequence lineages over time by sample collection date.

The data in this dashboard is obtained from the GISAID database and the Wisconsin Department of Health Services (DHS) SARS-CoV-2 dashboard. It includes results generated for Wisconsin residents by WSLH and other labs. Note: Sequencing data may not match the DHS website due to different update frequencies and data sources.

Data Updated:

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Proportion of sequenced strains that are variants, over time by sample collection date.

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Cumulative number of variants sequences identified over time by sample collection date.

Variants of concern have evidence of an increase in transmissibility, more severe disease (increased hospitalizations or deaths), significant reduction in neutralization by antibodies generated during previous infection or vaccination, reduced effectiveness of treatments or vaccines, or diagnostic detection failures. More information

  • B.1.1.7: Also known as 20I/501Y.V1 was initially found in December 2020 and first identified in the United Kingdom. This variant carries 17 defining mutations and has spread globally. Early evidence suggests the variant may be associated with increased transmissibility and risk of death. More Information
  • B.1.351: Also known as 20H/501Y.V2 was initially found in December 2020 and first identified in South Africa. This variant carries 9 defining mutations. Preliminary evidence from non-peer reviewed studies suggest this variant could affect vaccine effectiveness. More Information
  • B.1.429 & B.1.427: Also known as (CAL.20C) and first identified in Southern California in July 2020. Preliminary studies suggest this variant could affect antibody binding. More Information: B.1.427, B.1.429
  • P.1: Also known as 20J/501Y.V3 was initially found in January 2021 and first identified in Brazil. This variant carries 16 defining mutations. Some preliminary evidence from non-peer reviewed studies suggest this variant could affect vaccine effectiveness. More Information
For more information on these variants of concern visit CDC's Variant Surveillance or Wisconsin DHS Emerging SARS-CoV-2 Variants.
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Cumulative number of variants sequences identified over time by sample collection date.

Variants of Interest contain specific mutations that have been associated with changes to receptor binding, reduced neutralization by antibodies generated against previous infection or vaccination, reduced efficacy of treatments, potential diagnostic impact, or predicted increase in transmissibility or disease severity. More information

For more information on these variants of interest visit CDC's Variant Surveillance.
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Proportion of sequenced strains matching the selected variant, over time by sample collection date.

The data in this dashboard is obtained from the GISAID database and the Wisconsin Department of Health Services (DHS) SARS-CoV-2 dashboard. It includes results generated for Wisconsin residents by WSLH and other labs. Note: Sequencing data may not match the DHS website due to different update frequencies and data sources.

Data Updated:

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Percentage of Variants of Concern sequenced by Healthcare Emergency Readiness Coalition (HERC) region, darker colors represent a greater proportion of variants identified. Hover over a region to see a breakdown of the variants of concern. Percentage is based on the number of sequences generated between:
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Number of confirmed cases sequenced by county, darker colors represent a larger proportion of cases sequenced. Hover over the map to see what percentage of confirmed cases have been sequenced and the total number of sequences from a particular county. Confirmed cases by county are also available here.