Official website of the Department of Homeland Security
Chemical, Biological and Explosive Defense R&D
S&T’s research and development support prevention and protective strategies, as well as the coordinated surveillance and detection of chemical, biological and explosive threats.
Biodefense
Feature Article: S&T Past Research Informs Current and Future Pandemic Response
S&T Past Research with anthrax bacteria, Ebola virus and other pathogens informs current and future pandemic response.
Feature Article: We Do the Science—Securing the Homeland
Crucially important work is accomplished through deploying S&T’s advanced lab-based technical expertise and capabilities in research, development, test and evaluation.
NBACC Positive Pressure PPE
NBACC Biosafety Level 4 Positive Pressure Protective Suits
ST-SARS-CoV-2 Surface Contamination is Rapidly Inactivated at High Temperature
Studies conducted by DHS S&T's National Biodefense Analysis and Countermeasures Center (NBACC) have demonstrated that high temperature (≥ 130°F) is detrimental to virus stability in saliva on nonporous surfaces.
S&T Observes Great Outdoors Month—Safely
June is Great Outdoors Month, a time in which people are encouraged to explore all that nature has to offer, including our nation’s wildlife refuges or parks.
Science and Technology Directorate's COVID-19 Response
S&T develops research-based, mission-driven resources for decision makers and frontline workers to contribute to the nation’s comprehensive COVID-19 response efforts.
The President's Biodefense Strategy
As the president’s September 2018 National Biodefense Strategy states, “Health security means taking care of the American people in the face of biological threats to our homeland and to our interests abroad.”
Secretary Kirstjen M. Nielsen Statement on President Trump’s National Biodefense Strategy
Secretary of Homeland Security Kirstjen M. Nielsen released a statement in support of President Trump’s National Biodefense Strategy.
News Release: S&T Announces Winners in $300K Biothreat Prize Competition
Today, the Department of Homeland Security (DHS) Science and Technology Directorate (S&T) announced the grand prize winner of its $300,000 Hidden Signal Challenge.
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