Public Health Preparedness and Response
The FDA plays a critical role in protecting the United States from chemical, biological, radiological, nuclear, and emerging infectious disease threats. The FDA ensures that medical countermeasures (MCMs)—including drugs, vaccines and diagnostic tests—to counter these threats are safe, effective, and secure.
Medical Countermeasures (MCM)
Popular links
MCM-related counterterrorism legislation
Federal legislation enacted to strengthen the nation’s preparedness for responding to public health emergencies involving chemical, biological, radiological, nuclear (CBRN) and emerging infectious disease threats.
Emergency Use Authorization (EUA)
The EUA authority allows the FDA to help strengthen the nation’s public health protections against CBRN threats by facilitating the availability and use of MCMs needed during public health emergencies.
COVID-19
Get the latest COVID-19 response updates from the FDA.
MCM issues
MCM-related and emergency preparedness and response topics, including Ebola, mpox, antimicrobial resistance, and more.