Researchers are still working to understand how deadly COVID-19 is and how it spreads. But they know one thing for sure: Washing your hands is the key to minimizing the novel coronavirus’ powers of destruction. Hand washing really, really works—and not just during outbreaks of new respiratory viruses. It also helps prevent the spread of a wide variety of disease-causing … [Read more...] about Why COVID-19 Can’t Beat a Good Hand Washing