Contamination

Extract from Discovery Channels Mythbusters Episode 147 – “Flu Fiction“ - “Adam and Jamie consulted with an otolaryngologist and learned that a person with a cold may secrete up to 60 milliliters of mucus per hour. Jamie built a rig from a syringe and tubing to match that drip rate with fluorescent dye, and Adam wore it by his nose as he did model-building work. After one hour, he and everything he had touched were stained with the dye. They then set up a party for Adam to host, with three “germaphobe“ guests (Kari, Grant, and Tory, who were briefed to try to avoid contact with Adam) and three unsuspecting ones. Thirty minutes later, Adam, the whole table, and every guest except Kari – who admitted that she actually was a germaphobe – were heavily contaminated. In a second experiment in which Adam consciously did his best to avoid physical contact (such as bumping elbows with his guests instead of shaking hands and asking the guests to pass cer