This infographic comes to us from Jasmine Henriques of the career website SecurityDegreeHub.com. In it, she tracks the nearly 3,000-year history of chemical and biological warfare from the ancients’ use of sulphur and weaponized animal venom right up to anthrax and VX gas. The chart is part of a larger presentation on bio-terrorism and emergency preparedness in the 21st Century. For the full version of the diagram, CLICK HERE.