A team of scientists has released a report that took them a year to create, as they rode the subways of New York City, looking for as many different types of germs as they could find.
What did they come up with?
A team of scientists has released a report that took them a year to create, as they rode the subways of New York City, looking for as many different types of germs as they could find.
What did they come up with?