The common cold can spread through an office like wildfire. First one employee comes in with the sniffles and soon dozens are out sick. The culprits are often viruses that are spread from one hand to the next via frequently touched objects, such as light switches and coffeepots.

“In our studies, we found if we put a racer virus on the doorknob of an office building, we can detect it on 50 percent of the people’s hands that work in the office and half of the surfaces they commonly touch,” says Dr. Charles Gerba, a microbiologist at the University of Arizona. “People who come to work with the cold virus spread it around.” – See more at:–17460#sthash.fpG3q2vQ.dpuf