The receptor binding domain of SARS-CoV-2 spike protein fused with the type IIb E. coli heat-labile enterotoxin A subunit as an intranasal booster after mRNA vaccination
H.-C. Hsieh, C.-C. Chen, P.-H. Chou, W.-C. Liu, S.-C. Wu
This study evaluates an intranasal RBD-LTA fusion protein as a booster vaccine after mRNA vaccination, showing comparable neutralizing antibody titers and increased IgA responses against SARS-CoV-2 variants.
bioRxiv · Jul 5, 2023 · PreprintMicrobiology