A mucosal vaccine could be a COVID-19 game-changer. So why doesn’t Canada have one? – National
With the arrival of the highly contagious XBB.1.5 Omicron subvariant in Canada, some scientists say governments must invest more in developing mucosal vaccines — a tool that could be a game-changer in the fight against COVID-19. Read more: XBB1.5 — Here’s what we know about the ‘most transmissible’ COVID strain yet Read next: Calgary daycare