Columbia subject headings:
Biological warfare--Prevention.
Biological warfare--United States.
Bioterrorism--Prevention.
Bioterrorism--United States.
Disaster medicine--United States.
Emergency management--United States.
Public health.
Harvard subject headings:
Biological warfare
Biological warfare--Health aspects--United States.
Bioterrorism--Health aspects--United States.
Disaster medicine--United States.
Emergency management
Emergency management--United States
Public health
Terrorism.
Princeton subject headings: