Hand washing is the single most effective means of preventing the spread of infections. Many diseases, such as the common cold, influenza (flu), ear infections, strep throat, diarrheal illnesses, etc., can be spread by unwashed or improperly washed hands.
Learn more about the following diseases and how hand washing can help reduce the infection.
Page last updated: September 16, 2016
Page last reviewed: September 16, 2016