Nearly eight decades have passed since a nuclear device was detonated in an urban area, and that historical distance has contributed to a troubling complacency. Public health and emergency preparedness communities today face a stark question: are health systems, medical countermeasures, and interagency coordination frameworks actually ready to respond?
A new special issue in Disaster Medicine and Public Health Preparedness attempts to answer that question. Drawing contributions from more than 100 authors across U.S. government agencies, academia, industry, and international organizations — including NIH, BARDA, the American Medical Association, and several leading universities — the volume is explicitly framed as an update to a 2011 predecessor, revisiting earlier themes while addressing new scientific, technological, and geopolitical developments that have reshaped the field.
The Evolution of Medical Countermeasures
One of the most consequential shifts documented since 2011 concerns medical countermeasures. Where the earlier volume was preoccupied with resource scarcity, the current issue reflects a landscape in which the U.S. government has secured FDA approval and Strategic National Stockpile quantities of multiple life-saving therapies for radiation injury.
Central among these advances is the approval of several colony-stimulating factors — including filgrastim, pegfilgrastim, sargramostim, and romiplostim — for treating hematopoietic acute radiation syndrome (H-ARS), the form of radiation injury that attacks the blood-forming system. A systematic review included in the issue finds these agents confer a meaningful survival benefit when administered within 24 hours of exposure. However, evidence for treatment initiated beyond that window remains limited — a clinically critical gap given the logistical realities of a mass casualty event, with direct implications for stockpile deployment planning and triage protocols.
The issue also surfaces an underappreciated threat: antimicrobial resistance. Modeling in the volume projects that a significant number of radiation casualties could face treatment failure due to antibiotic-resistant infections, as survivors with radiation-compromised immune systems would be highly vulnerable to both bacterial and fungal pathogens. This intersection of radiation injury and antimicrobial resistance represents an emerging preparedness challenge that current countermeasure pipelines have not fully addressed.
Coordination Gaps and the Architecture of Response
Beyond countermeasures, the research devotes substantial attention to the coordination infrastructure required for an effective radiation emergency response. The editors are candid that interagency communication — across local, state, tribal, and federal levels, and potentially with international partners — cannot be improvised after an incident occurs. The National Alliance for Radiation Readiness (NARR), a consortium of subject matter experts from 29 national organizations, is highlighted as a key mechanism for sustaining readiness between exercises.
The issue also addresses triage methodology, a problem uniquely amplified by nuclear scenarios. In a mass casualty radiological event, rapidly distinguishing truly exposed individuals from the “worried well” — those who fear exposure but have not been irradiated — is essential to avoid overwhelming clinical resources. Emerging tools including the Exposure and Symptom Triage (EAST) instrument and a newly constituted public-private biodosimetry network integrating AI and machine learning represent promising operational assets. The editors note, however, that ethical frameworks for deploying these technologies in high-stakes public safety environments remain a work in progress.
The overarching message of the research is that radiation emergency preparedness is a core component of the all-hazards framework protecting civilian populations from catastrophic threats. An explicit parallel exists between radiological preparedness and infectious disease response: both require scalable surge capacity, rapid diagnostics, pre-positioned countermeasures, and layered interagency coordination built long before an event occurs.
Sources and further reading:
DiCarlo A, Satyamitra M, Chao N, Dallas CE, Tedesco DC, James J, et al. The Importance of Medical Preparedness for Radiation Emergencies. Disaster Medicine and Public Health Preparedness. April 27, 2026.