Agents in
Category B are considered the second highest priority agents and are included in this group because they:
Are moderately easy to disseminate.
Cause moderate morbidity and low mortality.
Require specific enhancements of Centers for Disease Control and Prevention's (CDC) diagnostic capacity and enhanced disease surveillance.
Examples of Category B agents are shown in Table 2.
Table 2. Examples of Category B agents.| Category B Agents |
| Q Fever (Coxiella burnetii) |
| Brucellosis (Brucella sp.) |
| Glanders (Burkholderia mallei) |
| Venezuelan encephalomyelitis |
| Eastern and western equine encephalomyelitis |
| Ricin toxin from castor beans (Ricinus communis) |
| Epsilon toxin of Clostridium perfringens |
| Staphylococcus enterotoxin B |
