There are important differences between washing hands with soap and waterwww.cdc.gov/handwashing.
and cleaning them with hand sanitizer. For example, alcohol-based hand
sanitizers don’t kill ALL types of germs, such as a stomach bug called norovirus,
some parasites, and Clostridium difficile, which causes severe diarrhea. Hand
sanitizers also may not remove harmful chemicals, such as pesticides and
heavy metals like lead. Handwashing reduces the amounts of all types of germs,
pesticides, and metals on hands. Knowing when to clean your hands and which
method to use will give you the best chance of preventing sickness.