Archived Content

In an effort to keep DHS.gov current, the archive contains outdated information that may not reflect current policy or programs.

Science and Technology Directorate's COVID-19 Response

The Science and Technology Directorate (S&T) is developing research-based, mission-driven resources for decision makers and frontline workers to contribute to the nation’s comprehensive COVID-19 response efforts. Additional information on the overall DHS pandemic response can be found at www.dhs.gov/coronavirus.

COVID-19 Master Question List (caused by SARS-CoV-2)

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What we know and still need to find out about the virus.
Omicron Variant Supplemental Reference and Fact Sheet

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Key information on the newly-emerged, highly infectious Omicron variant of the SARS-CoV-2 virus.
Delta Variant Supplemental Reference

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Key information on the newly-emerged, highly infectious Omicron variant of the SARS-CoV-2 virus.
COVID-19 Resources for First Responders

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S&T-curated resources for front line workers and decision-makers.
Estimated Surface Decay of SARS-CoV-2

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Interactive tool uses environmental data to calculate virus survivability.
Estimated Airborne Decay of SARS-CoV-2

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Interactive tool uses environmental data to calculate survivability of the virus in the air.