Let's wash hands properly! WHO states that the right way to wash your hands is to "scrub your hands for at least 20 seconds", which takes about as long as singing "Happy Birthday" twice. Handwash DJ …
Let's wash hands properly! WHO states that the right way to wash your hands is to "scrub your hands for at least 20 seconds", which takes about as long as singing "Happy Birthday" twice. Handwash DJ …