Table IV.

Modeling Assumptions

Categories	Our Assumptions	Possible Alternative Assumptions
Uncertain Variables	Probability of acquiring the agent, detection time varies by agent	Other indications and warning
Decisions	Add Bio Watch city for agents A and B	Additional detection and warning systems
	Increase vaccine reserve stocks for agent A	Increase stocks of multiple agents
	Deploy vaccine A	Other risk mitigation decisions
Consequence Models	One casualty model for all three agents	Different casualty models for different agents
Risks	Casualties and economic consequences	Additional risk measures
	Defender minimizes risk and attacker maximizes risk	Other defender and attacker objectives
	Solve decision tree at various budget levels	Other solution approaches