And then there were 28 .... mucosal Covid vaccines in clinical trials.
As well as a new oral vax entering first-in-human trial in Australia, an aerosol vax from Canada called AeroVax is on its way to phase 2.
Plus there's a new type of vaccine in development in Canada - a next generation of a next generation vax! & the human challenge study consortium has had its first international meeting.
Much more in my next generation vax update @PLOS
https://absolutelymaybe.plos.org/2024/04/30/mucosal-covid-vaccines-advancing-plus-a-new-type-of-vax-in-development-next-generation-update-16/