chemical nerve choking blister blood incapacitating persistent non-persistent aerosolization inhalational exposure dermal decontamination corridor mass emergency respirator fit-test dilution ventilation detection alarm plume model safe standoff distance shelf-stable agent binary munition attribution toxic industrial (TIC) biological pathogen threat aerosol-transmitted vector-borne transmission zoonotic spillover viral hemorrhagic fever genetically modified organism (GMO) weaponized dispersal mechanism casualty infectious disease outbreak investigation containment contact tracing biosurveillance biosafety level (BSL) biodefense research medical countermeasures (MCM) vaccine stockpile antimicrobial resistance environmental sampling clinical case definition point-of-care diagnostics public health of international concern (PHEIC) dual-use (DURC) nuclear detonation improvised device (IND) yield blast wave thermal radiation prompt fallout ground zero crater and shock effects electromagnetic pulse (EMP) critical fissile material command control surety radiological (RDD) dirty bomb contamination external internal (incorporation) radioactive dose assessment rate line shelter-in-place potassium iodide (KI) prophylaxis monitoring surface survey triage identification