Parameter   Risk Score*
  State or state supported Disaffected/terrorist groups Individuals

Target

1 1 1
Importance of target 1 0 0
Intelligence 1 0 0
Secrecy 1 0 0
Personal control 1 0 0
Control of means/mediums 1 0 0
Physical protection 0 0 0
Chemical protection 0 0 0
Immunological protection 0 0 0
Number of people in target 1 1 1
Distribution of people in target 1 1 1
Location of target 1 1 1
Perpetrator      
Sophistication 1 0 0
Motivation 1 1 1
Ability 1 0 0
Capacity 1 0 0
Intelligence 1 0 0
Secrecy 1 0 0
Number of perpetrators 1 1 1
Accessibility to sources of agent 1 0 0
Accessibility to targets 1 1 1
Agent      
A category 1 0 0
B category 0 0 0
C category 0 0 0
Emerging agent 0 0 0
Amount of the available agent 1 0 0
Means/media of delivery      
Air 0 0 0
Food 0 0 0
Water 0 0 0
Fomites 1 1 1
Munition 0 0 0
Delivery systems 1 1 1
Dispersion systems 0 0 0
Total 21 9 9
* 1 = High probability of a bioterrorist attack (BA) 0 = Low probability of a BA Total Scores: 1-8 - BA is lowly probable 9-16 - BA is possible 17-24 - BA is highly probable 25-32 - BA is imminent
Table 1: A model of bioterrorism risk scoring.