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Jon Calomiris

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The purpose of this study was to determine the fate of anthrax spores in a drinking water system that uses chlorine as a disinfectant. Though researchers have some knowledge of how other waterborne pathogens may survive or die in drinking water systems, little is understood about the fate of anthrax spores in chlorinated water systems.

Under those same conditions, one-minute exposure could kill 99.99% of other waterborne pathogens that do not exist as spores.

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