Maybe having gotten vaccinated, if I got Delta the serum antibodies would protect me from serious illness, and I'd gain mucosal immunity from the upper respirat

Maybe having gotten vaccinated, if I got Delta the serum antibodies would protect me from serious illness, and I'd gain mucosal immunity from the upper respiratory tract infection to complete the set? Not that I'm planning to get infected; I'm just looking for silver linings to soothe myself about the possibility.