ABSTRACT Rising breakthrough infections with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron BA. 4/5 led to the performance of various studies investigating systemic immunity and neutralizing antibodies in sera. but mucosal immunity remains understudied. In this cohort study. https://www.markbroyard.com/great-pick-tablecraft-invertatop-squeeze-bottle-24-oz-translucent-12-pack-cheap-limited-save/