A hand hygiene on board of a vehicle includes a washing device including a water supply device, a basin device with a hand receiving device and a water collecting region with a discharge opening, and a drying device including an air discharge device for generating an air stream in the hand receiving region The air discharge device is connected to the hand receiving region and a negative pressure device connected to the air discharge device. The stream of air for the hand drying process is generatable by the negative pressure device. The air discharge device is connected to the discharge opening of the basin device such that air and fluids are discharged via the discharge opening, which forms a common disposal opening. The negative pressure device is additionally designed for suctioning solids thrown into the water collecting region, besides fluids, for disposal over the common disposal opening.
