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Wet the hands with clean, running water, then turn off the tap and apply soap. Lather the hands by rubbing them together with the soap, remembering to reach the backs of the hands, between the fingers, and under the nails. Scrub the hands for at least 20 seconds, which a person can time by humming the “Happy Birthday” song twice. Rinse the hands well under clean, running water. Dry the hands using a clean towel or air dry them. | 
发表于 May 3, 2022 13:33:38
