CDC expert gives handwashing tips.
D000985:Antisepsis / Q000379:methods*; D001207:Asepsis / Q000379:methods*; D003428:Cross Infection / Q000517:prevention & control*; D006225:Hand; D006797:Housekeeping, Hospital / Q000592:standards; D006801:Humans; D006920:Hygiene; D012915:Soaps