This document discusses proper hand hygiene and its importance in infection control. It outlines the two types of microorganisms on skin - resident and transient - and that transient microbes cause most infections from procedures. Good hand hygiene, including washing with soap and water or using alcohol-based hand rubs, is the most effective way to prevent disease spread. The document provides guidance on when hand washing and disinfection should occur, such as before and after contact with patients or bodily fluids. It also details the proper hand washing technique of lathering and rubbing for 40-60 seconds.