USA Today: "Hand-to-face touch is crucial link to catching flu"

"Your hands can be laden with influenza virus, but if you're not touching your eyes, nose and lips, you are not transmitting that virus (to yourself)," says Mark Nicas, an adjunct professor of environmental health sciences at the University of California-Berkeley. Research measured face touching to be 16 times per hour, or about every 4 minutes on average. Read what USA Today says about touching your face: