This bozo completely misses it. My concern is not the floor or the bins but those infamous blue glove that go from one person's crotch to the next person's hair, etc., without ever being changed unless someone forces them to change them. Once minute they're pawing someone's dirty undies in a carry-on, the next minute those same gloves are giving you a scalp massage. Somebody should ask this bozo Dr. William Schaffner if he would do multiple patient examinations wearing the same pair of gloves. Wall Street Journal: Burning Question: Do Germs Spread on Airport Security Lines? For the most part, however, those bacteria are harmless since we all have immunities against them. Simple hygiene—showering, washing hands—"will keep the bad guys at bay," he says. Same goes for the barefoot march through airport security. The risk of catching athlete's foot or another fungus from fellow travelers is very low ... Those dirty bins—where you might set your mobile phone in the same spot a road warrior just put his smelly shoes—may carry some of the typical bacteria circulating around us, but again, the risk of infection is likely to be very low.