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"Merely walking into a room can begin to stir up the microbial soup that fills it \u2014 one person can send about 37 million bacteria into the air every hour, acco"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/your-presence-launches-millions-of-microbes-into-the-air>