Israel’s Juganu (reported here previously) has enhanced its smart city lighting from just illuminating spaces into disinfecting them. J.Protect now uses surface light mixed with ultraviolet A (UV-A) plus UV-C light to kill Covid-19. It says “it could be the light at the end of the tunnel”.
https://www.calcalistech.com/ctech/articles/0,7340,L-3867662,00.html