| A  | 
        Anthrax (Bacillus    anthracis), Arenaviruses  | 
       
      
        | B  | 
        Bacillus    anthracis (anthrax),    Botulism (Clostridium botulinum toxin), Brucella species    (brucellosis), Burkholderia mallei (glanders), Burkholderia    pseudomallei (melioidosis)  | 
       
      
        | C  | 
        Chlamydia    psittaci (psittacosis),    Cholera (Vibrio cholerae), Clostridium botulinum toxin    (botulism), Clostridium perfringens (Epsilon toxin), Coxiella    burnetii (Q fever)  | 
       
      
        | E  | 
        Ebola virus    hemorrhagic fever, Escherichia coli (E. coli) O157:H7 , Emerging    infectious diseases such as Nipah virus and hantavirus, Epsilon toxin of Clostridium    perfringens  | 
       
      
        | F  | 
        Food safety threats    (e.g., Salmonella species, E. coli O157:H7, Shigella), Francisella    tularensis (tularemia)  | 
       
      
        | G  | 
        Glanders (Burkholderia    mallei)  | 
       
      
        | L  | 
        Lassa fever  | 
       
      
        | M  | 
        Marburg virus    hemorrhagic fever, Melioidosis (Burkholderia pseudomallei)  | 
       
      
        | P  | 
        Plague (Yersinia    pestis), Psittacosis (Chlamydia psittaci)  | 
       
      
        | Q  | 
        Q fever (Coxiella    burnetii)  | 
       
      
        | R  | 
        Ricin toxin from Ricinus    communis (castorbeans), Rickettsia prowazekii (typhus fever)  | 
       
      
        | S  | 
        Salmonella species    (salmonellosis), Salmonella Typhi (typhoid fever), Salmonellosis (Salmonella species), Shigella (shigellosis), Smallpox (variola major),    Staphylococcal enterotoxin B  | 
       
      
        | T  | 
        Tularemia (Francisella    tularensis), Typhoid fever (Salmonella Typhi)  | 
       
      
        | V  | 
        Variola major (smallpox), Vibrio cholerae (cholera),Viral    encephalitis (alphaviruses [e.g., Venezuelan equine encephalitis, eastern    equine encephalitis, western equine encephalitis]),Viral hemorrhagic fevers    (filoviruses [e.g., Ebola, Marburg] and arenaviruses [e.g., Lassa, Machupo])  | 
       
      
        | W  | 
        Water safety    threats (e.g., Vibrio cholerae, Cryptosporidium parvum)  | 
       
      
        | Y  | 
        Yersinia pestis (plague)  | 
       
      |