You've got to act fast to fight off colds and flu. Case in point: University of Arizona scientists have found that when someone is sick in an office, it takes only four hours (!) for surfaces like coffeepot handles, copy-machine buttons and the fridge door to show traces of infectious virus. Considering that the 2014-2015 flu season was one of the worst on record—it even reached epidemic status—it's well worth arming yourself against aches, cough, fever and general misery. For reality-tested tips that actually work, we turned to doctors, politicians, makeup artists and other brave souls who are exposed to viruses every day. Steal their strategies to win the war against germs this winter.
