Information
http://en.wikipedia.org/wiki/Biologicalwarfarehttp://whyfiles.org/chemweapon/3.html
http://www.loc.gov/rr/scitech/tracer-bullets/chemicalbiotb.html
http://www.britannica.com/EBchecked/topic/108951/chemical-weapon
http://www.pbs.org/wgbh/nova/bioterror/vaccines.html
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1326439/
http://www.hampshire.edu/academics/22169.htm
http://www.merriam-webster.com/dictionary/biological%20warfare
http://deadfrontier.wikia.com/wiki/File:Blue-biohazard-symbol-logo.jpg#filelinks