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Examples of Biological Agents and Biosafety Level

Below is an abbreviated list of biological agents and toxins. For a more extensive list of biological agents consult:

Risk Group 2

Adenovirus, all types
Babesia spp.
Bacillus cereus
Bordetella spp.
Burkholderia spp. (other than mallei or pseudomallei)
Chlamydia spp.
Clostridium spp. (other than botulinum)
Coxsackie virus
Cryptosporidium spp.
Ehrlichia spp.
Enterobacter spp.
Escherichia coli O157:H7
Escherichia coli (toxigenic other than above)
Haemophilus spp.
Helicobacter spp.
Herpes simplex virus (I and II)
Human Immunodeficiency virus
Influenza virus
Klebsiella spp.
Listeria monocytogenes
Mycobacterium avium
Mycobacterium, BCG
Mycobacteriaum leprae
Mycobacterium ssp (other than those above and M. tuberculosis)
Pasturella spp.
Pseudomonas spp.
Salmonella spp.
Serratia spp.
Shigella spp.
Sindbis virus
Staphylococcus aureus
Streptococcus pneumoniae
Streptococcus pyogenes
Streptococcus spp. (other than above)
Vaccinia virus
Varicella-zoster virus
West Nile Virus
Yersinia spp. (other than pestis)

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Risk Group 3

Bacillus anthracis
Brucella spp.
Burkholderia mallei
Burkholderia pseudomallei
Clostridium botulinum
Coccidioides immitis
Coxiella burnettii
Francisella tularensis
Hantavirus
Mycobacterium bovis (except BCG)
Mycobacteria tuberculosis
Rickettsia prowazekii
Rickettsia rickettsii
Yersinia pestis

Examples of Biologically-Derived Toxins

Abrin
Aflatoxins
Botulinum toxins
Clostridium perfringens episilon toxin
Conotoxins
Diacetoxyscirpenol
Ricin
Saxitoxin
Shigatoxin
Staphylococcal enterotoxins
Tetrodotoxin
T-2 Toxin
Diptheria toxin
Streptococcal toxins
Cholera toxin
Pertussis toxin

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