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Handwashing When to wash your hands: Before meals Before, during, and after preparing food Before breastfeeding After using the toilet or helping a child use the toilet Before and after changing diapers or feminine hygiene products After blowing your nose or wiping a childs nose After handling objects shared with others Before inserting or removing contact lenses Before and after you care for someone who is sick After touching or feeding an animal, or handling animal waste Before and after flossing your teeth How to wash hands: Use soap and water