Like flu shots, antiseptics and disinfectants are supposed to kill germs, but now there's evidence of cases where these products actually caused infections.
Researchers at the Food and Drug Administration found contaminated single-use swabs and surgical antiseptics were responsible for a number of infection outbreaks across the country. Later this week, the FDA will hold a two-day hearing on the matter.
For more on this we're joined by Wired's Maryn McKenna, author of the book "Superbug."