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Dr. Philip Tierno

WNYC News

What Lies Underneath: Germs Straphangers Carry

Monday, January 02, 2012

WNYC

Walk onto any subway car, especially during a crowded commute, and you're likely to see a bag or two on the floor. Putting a bag down on the ground may lighten the load for a while, but riders may want to think about the hygiene of their bag once it is picked up. It may be toting more than just dirt.

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