The Nitric Oxide Nasal Spray, developed by Israeli-founded, Canada-based SaNOtize (reported here previously) has proved 99.9% effective in lab tests by Utah State University’s Antiviral Research Institute. Phase 2 trials continue in Canada and are just beginning in UK hospitals.
https://www.thejc.com/news/uk/could-this-israeli-s-anti-viral-nasal-spray-save-the-world-1.510530