Credit: C Flanigan/FilmMagic If you're getting fed up of being told to wash your hands for 20 seconds, or even getting ... the latest entertainment news. Sign up for Mashable's Top Stories ...

Scrub your hands for at least 20 seconds. Need a timer? CDC recommends you hum the "Happy Birthday" song twice, from beginning to end. Rinse your hands under clean, running water. Dry your hands using ...