nt and modern times.3 The understanding of these weapons' history can help us recognize their contents, functions, and abilities and allow us to find ways to defend ourselves against these horrific weapons.
             Biological weapons had existed as long as 2400 years ago.1 At about 400 B.C., Scythian archers used arrows that were dipped in animal feces and rotten corpses against their enemies.3 The Roman soldiers did something
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