Figure 1. Categorization of Biological Threats to International Security At-Risk Group Source of Threat State Nonstate Actors Nature State Cell 1 Biological Warfare: Cell 3a Bioterrorism: Cell 5 Pandemics: Cell 3b Agroterrorism: Cell 3c Dual Use: Individual, Community, or Society Cell 2 Biological Warfare: Cell 4a Biocrimes: Cell 6 Endemic/Epidemic Diseases: Cell 4b Lab Accidents: ...