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The Petri dish of security
The Scientist 2005, 19(7):13
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Imagine 100,000 to 200,000 people from around the United States – some percentage of whom are immunosuppressed by antirejection medications, radiation, chemotherapy, or AIDS – walking barefoot every day through a corridor of filthy, unwashed floors. Now imagine the flora they pick up on their feet and breathe into their lungs.
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