Recombinant protein subunit vaccine booster following two-dose inactivated vaccines dramatically enhanced anti-RBD responses and neutralizing titers against SARS-CoV-2 and Variants of Concern

CELL RESEARCH

SPRINGERNATURE

1. National Natural Science Foundation of China [82041010]
2. Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response [20dz2260100]
3. Key Discipline Construction Plan from Shanghai Municipal Health Commission [GWV-10.1-XK01]