Hand washing.
Lee
Andrew
A
D001294:Attitude to Health; D002487:Centers for Disease Control and Prevention, U.S.; D003428:Cross Infection / Q000517:prevention & control*; D004203:Disinfection / Q000379:methods*; D006235:Hand Disinfection / Q000592:standards*; D006801:Humans; D017053:Infection Control / Q000379:methods*; D017410:Practice Guidelines as Topic; D014481:United States