Disinfection and virus inactivation device, air-conditioning apparatus provided with the same, and disinfection and virus inactivation method

A disinfection and virus inactivation device configured to perform a disinfection treatment or an inactivating treatment of microorganisms in a target space, the disinfection and virus inactivation device comprising:

• a substance generation unit configured to generate a specific substance to perform the disinfection treatment or the inactivating treatment;
• a supply unit configured to generate an air flow and supply the specific substance generated from the substance generation unit into the target space;
• an activity reducing unit configured to decrease an activity of the microorganisms;
• a treatment-mode selecting unit configured to select, as a treatment mode, a disinfection mode in which disinfection is performed or a virus inactivating mode in which virus inactivation is performed;
• and
• a housing that houses the substance generation unit, the supply unit, the activity reducing unit, and the treatment-mode selecting unit,
• wherein the specific substance is supplied to the target space by the supply unit, while the activity of the microorganism is being decreased by the activity reducing unit according to the disinfection mode or the virus inactivating mode that is selected by the treatment-mode selecting unit.