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. 2012 Jan 7;9(1):139–157. doi: 10.1007/s13311-011-0097-2

Table 1.

Classification of Bioterrorism Agents

Centers for Disease Control and Prevention Categories of Bioterrorism Agents/Diseases
Category A Category B Category C
Anthrax Brucellosis (Brucella species) Emerging infectious diseases (e.g., Nipah virus, hantavirus)
Botulism Epsilon toxin of Clostridium perfringens
Plague Food safety threats (e.g., Salmonella species) Emerging future toxins
Smallpox Glanders (Burkholderia mallei)
Tularemia Melioidosis (Burkholderia pseudomallei)
Viral hemorrhagic fevers Psittacosis (Chlamydia psittaci)
Q fever (Coxiella burnetii)
Ricin toxin from Ricinus communis
Staphylococcal enterotoxin B
Typhus fever (Rickettsia prowazekii)
Viral encephalitides (alphaviruses)
Water safety threats (e.g., vibrio cholerae)

Source: http://www.bt.cdc.gov/agent/agentlist-category.asp. Accessed October 25, 2011