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About: History of biological warfare     Goto   Sponge   NotDistinct   Permalink

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Before the 20th century, the use of biological agents took three major forms: * Deliberate contamination of food and water with poisonous or contagious material * Use of microbes, biological toxins, animals, or plants (living or dead) in a weapon system * Use of biologically inoculated fabrics and persons In the 20th century, sophisticated bacteriological and virological techniques allowed the production of significant stockpiles of weaponized bio-agents: