Mucosal ("sterilizing") Covid vaccine trials are kicking into high gear.
Tens of thousands of next generation trial volunteers will be needed in the US soon. And we've got the first details for a Project NextGen "mini-efficacy" trial...
The first step for human challenge trials of intranasal etc vaxes is underway in the UK...
All this & more in my latest nextgen vax update @PLOS ...1/2