Cleaning surfaces in your home on a regular basis helps stop the spread of pathogens like norovirus, Shigella, and Giardia that can make you sick. Cleaning surfaces in your home helps you and your family stay healthy by getting rid of bacteria, grime, and other contaminants. Unless there are ill people in your home, sanitizing or cleaning is probably not necessary to prevent the spread of disease there. Any leftover germs on surfaces are killed