Centers for Disease Control and Prevention
Centers for Disease Control: Importance of Washing Hands
This site from the Center for Disease Control provides an explanation of why it is important to wash your hands and the consequences if you don't. Also provides step-by-step directions of hand washing.
Unite for Literacy
Unite for Literacy: Healthy Me: Wash Your Hands
Learn about the importance of hand washing and how to do it properly. Book includes audio narration in 18 additional languages with text in English.