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[email protected]. ©Sigma Xi, The Scientific Research Society and other rightsholders The Growing Threat of Biological Weapons The terrorist threat is very real, and it’s about to get worse. Scientists should concern themselves before it’s too late Steven M. Block or half a century, America has par- cal development and use of biological um (Bacillus anthracis). Pasteur devel- F ticipated with the world’s nuclear weapons, as well as some recent trends oped the first animal vaccine against powers in an uneasy standoff of mutu- in their evolution and the prospects for anthrax, which, together with Lister’s ally assured destruction. Despite the containing their proliferation. ideas about antiseptic precautions, seemingly relentless proliferation of nu- helped turn the tide against outbreaks clear arms, there’s reason to hope that The Plague and Anthrax of the disease. some version of the current stalemate Biological warfare is not a new phe- Anthrax is only weakly communica- will continue to hold. Against this back- nomenon. The ancient Romans, and ble in humans and rarely causes dis- drop, terrorist factions and “nations of others before them, threw carrion into ease, unless the bacterium comes into concern” (the current government eu- wells to poison their adversaries’ contact with the bloodstream through a phemism for rogue states) have sought drinking water.