Picture of an 8-year-old boy’s handprint pressed on a Petri dish. Courtesy Tasha Sturm/Cabrillo College/asm.org According to the Centers for Disease Control and Prevention (CDC), keeping hands clean is one of the most important steps we can take to avoid getting sick and spreading germs to others. Many diseases and conditions are spread by not washing hands with soap and clean, running water. The CDC recommends cleaning hands in a specific way to avoid getting sick and spreading germs to others: Use warm running water to wet your hands while rubbing them with soap. Rub your hands together being sure...