A device is disclosed for generating a decontamination agent vapor, in particular hydrogen peroxide vapor. The device includes an evaporator body, a heating unit for heating the evaporator body, and a plurality of feed channels for feeding decontamination liquid to the evaporator body. The decontamination liquid is evaporated by the evaporator body. In one embodiment, the liquid contains hydrogen peroxide. In some embodiments, a plurality of blind holes are provided in a single- or multi-part evaporator body, and at least one of the feed channels is assigned to the blind holes.