"Mozzarella. Bubonic plague. Kimchi. Staph. What could these things possibly have in common?
They're all among the strange set of substances DNA-hunting scientists identified in New York City's subway cars and stations as part of a comprehensive new study.
The researchers behind the so-called "PathoMap" project found DNA from more than 500 species of bacteria, including some from foods as well as 67 known to cause illness."
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