You see them everywhere -- nurses, doctors and medical technicians in scrubs or lab coats. They shop in them, take buses and trains in them, go to restaurants in them, and wear them home. What you can't see on these garments are the bacteria that could kill you.

Dirty scrubs spread bacteria to patients in the hospital and allow hospital superbugs to escape into public places such as restaurants. Some hospitals now prohibit wearing scrubs outside the building, partly in response to the rapid increase in an infection called "C....