Tel Aviv’s Sourasky (Ichilov) is the first hospital to use ultra-violet (UV) light to disinfect medical spaces. The J. Protect system, from Israel’s Juganu (see here) uses UV-A in occupied rooms and UV-C when the room is empty. Bacteria, fungi and viruses (e.g., Covid-19) are killed in one hour.

https://worldisraelnews.com/israeli-hospital-first-ever-to-use-light-to-disinfect-spaces/