Good bet you're fiddling with one right now. Like the phone, the mouse/keyboard is a common breeding ground for the MRSA bug, but it also ranks among the top four moldiest spots in the office. According to studies, if yeast and/or mold is somewhere in your office, it's all over your office. Ewww.
Battle Plan: Make disinfectant your best friend. Research finds that those who claim to use disinfectants are found to have only 25% the bacteria of those who don't.