Infection prevention apparatus for use in inhabited facilities for killing bacteria and other pathogens as well as killing bacteria and other pathogens residing within plumbing fixtures and on surfaces in proximity to the apparatus, excluding apparatus for sterilization of water; plumbing apparatus, namely, sanitization and infection prevention apparatus for use with, drains, sanitary floor drains, sinks, basins, fountains, drinking fountains, showers, showerheads, shower stands, shower enclo...