TY - RPRT TI - 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 AU - Hsieh, H.-C. AU - Chen, C.-C. AU - Chou, P.-H. AU - Liu, W.-C. AU - Wu, S.-C. PY - 2023 DO - 10.1101/2023.07.05.547781 UR - https://www.biorxiv.org/content/10.1101/2023.07.05.547781v1 ID - 10.1101/2023.07.05.547781 ER -