Germs are everywhere. In optimal conditions a virus can divide every 20 minutes, spreading rapidly where they dwell. In fact, contamination of a single doorknob can lead to the spread of viruses throughout an office building or hotel in as little as two hours. Researchers from the University of Arizona, Tucson, placed a tracer virus on commonly touched objects such as a doorknob or tabletop. At multiple time intervals (from two-to-eight hours) the researchers sampled a range of surfaces including light switches, bed rails, countertops, sink tap handles, and push buttons. And guess what? Nearly 60 percent of the surfaces were contaminated within two-to-four hours. “If we placed a tracer virus on the … Continue reading A virus spreads in just 2 hours. Why the war on germs is in your hands. →
