20. BSL1 Non pathogenic for healthy individuals B. subtilis M. gordonae BSL2 Common agents of infectious disease including HIV Either result of bioterrorism/ natural method B. anthracis Y. pestis BSL3 Organism grown in large quantities Culture for MTB Systemic Fungi (Mold form) Francisella tularensis Brucella spp. BSL4 Arboviridae Arenaviridae Filovirus (Ebola virus) Small pox (last case 1997)