Grabbing a handrail on the New York subway transfers as much bacteria as shaking hands with 10,000 people.

That’s according to a recent study that found the Big Apple has by far the most bacteria in its subway system compared with other US cities.

Many of the bacteria founds have been known to cause respiratory problems and skin infections, although scientists stress most are harmless and could even be good for our immune system.

more at Source: New York has America’s most bacteria-ridden subway | Daily Mail Online