I was with you when he started on about the UV light and disinfectant, apparently they're testing a technique that zaps airborne viruses with a narrow-wavelength band of UV light, but don't know wtf he was on about when suggesting an injection of disinfectant
https://news.columbia.edu/ultraviolet-technology-virus-covid-19-UV-light
https://news.columbia.edu/ultraviolet-technology-virus-covid-19-UV-light