Researchers at the University of Virginia examined households of cold sufferers and found that 42% of household surfaces--such as fridge door handles, remote controls, and light switches--were infected with germs.
"Viruses can live up to 2 days outside the body," says study author J. Owens Hendley, M.D. "If they get on your hands and then you rub your nose or eyes, they can make you sick."
Protect yourself by cleaning these areas frequently and washing your hands with soap & water.
(study from SHAPE magazine, March 2009, Volume 28, #7)