The Cyclades ferry had a blue UV light on the hands air drier.
Those might become more common in public and medical facilities.
There is also press-n-stick film for door handles
https://www.popsci.com/science/article/2009-10/saving-skin
"Patented by Sharklet Technologies, a Florida-based biotech company, the film, which is covered with microscopic diamond-shaped bumps, is the first "surface topography" proven to keep the bugs at bay. In tests in a California hospital, for three weeks the plastic sheeting's surface prevented dangerous microorganisms, such as E. coli and Staphylococcus A, from establishing colonies large enough to infect humans."
(I think I typed this same post a decade ago)