„After swabbing more than 400 subway stations for all kinds of microorganisms, researchers at Weill Cornell Medical College reported this week that they had found evidence at points across the city of bubonic plague, the Black Death that ravaged 14th-century Europe.
This was hardly surprising. Everyone who rides the subway knows it is teeming with rats, which in the right environment can be infested with fleas that carry plague. Medieval quantities of rats.
It also is scary. Could a subway turnstile be all that is standing between New Yorkers and a nearly forgotten disease? ….“ (The New York Times, Feb. 2015)