Excellent workshop review on #MucosalImmunity and #SarsCoV2 #vaccines really underscores how challenging mucosal vaccines are to develop, and how large the knowledge gaps are.

A useful counterpoint to the loud voices over the last couple of years that implied this was an easy problem and we should already be fielding them.

https://doi.org/10.1038/s41541-023-00654-6