Bacillus species is a topic covered in the Johns Hopkins Antibiotic (ABX) Guide.

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  • Facultative anaerobe or aerobic spore-forming usually Gram positive rods.
    • See separate module for anthrax (B. anthracis).
  • Ubiquitous in decayed organic matter and soil. Some species are part of normal human flora.
  • Potential human pathogens include B. cereus, B. subtilis, B. megaterium, B. circulans, B. sphaericus.

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Last updated: January 15, 2016