Live Virus Intranasal Covid Vaccine To Begin Trials

 https://www.prnewswire.com/news-releases/codagenix-and-serum-institute-of-india-announce-commencement-of-first-in-human-trial-of-covi-vac-a-single-dose-intranasal-live-attenuated-vaccine-for-covid-19-301191756.html