 Botulism is a rare disease; however Botulinum toxins neurotoxins may be used as biological weapon especially in the form of aerosol. Botulism is caused by neurotoxins that are produced by the obligate anaerobic, gram-positive, spore-forming bacterium Clostridium botulinum 1. C. botulinum produces 8 serologically distinct neurotoxins identified as serotypes A, B, C1, C2, D, E, F, and G 2. 