Carry Lysol wipes.
Or have the employee keep a container of them at each station (if they don't already, which IME many do).
Or have the employee keep a container of them at each station (if they don't already, which IME many do).
People share equipment in every office everywhere. Germaphobes will need to disinfect some stuff, they can't have private everything, and they can't demand that people stop sharing things. Oh well, them's the breaks!