Good links to find out more
http://emedicine.medscape.com/article/325451-overview
http://en.wikipedia.org/wiki/Botulinum_toxin
http://www.fas.org/programs/bio/factsheets/botulinum.html
http://ezinearticles.com/?Botulinum-Toxin-Facts&id=2095410
http://www.upmc-biosecurity.org/website/our_work/biological-threats-and-epidemics/fact_sheets/botulinum.html
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2840902/
http://en.wikipedia.org/wiki/Botulinum_toxin
http://www.fas.org/programs/bio/factsheets/botulinum.html
http://ezinearticles.com/?Botulinum-Toxin-Facts&id=2095410
http://www.upmc-biosecurity.org/website/our_work/biological-threats-and-epidemics/fact_sheets/botulinum.html
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2840902/