Absolutely! Patients, clinic staff and doctors pass on bodily fluids through toilets. There will be splashes. They gargle, clean their hands, mouth, and even their nose. Many aerosol droplets are generated. And the same toilets are used by other patients as well as by clinic staff.
That is why UVCs can be a quick disinfection option. Because toilets are much smaller than clinical rooms, disinfection is faster.