Germicidal devices that use ultraviolet (UV) light to kill or inactivate viruses and microorganisms, for use in indoors in particular households, offices, hospitals, hotels, classrooms, dormitories, fitness centers, restaurants and clubs, retail stores, restrooms and elevators; germicidal devices that use ultraviolet (UV) light to kill or inactivate viruses and microorganisms for use in outdoor venues in particular streets, public places, entertainment venues and stadiums; germicidal devices ...