Safety and immunogenicity of a tetravalent and bivalent SARS-CoV-2 protein booster vaccine in men
Description
The safety and immunogenicity of a protein-based tetravalent vaccine SCTV01E that contains spike protein ectodomain (S-ECD) of Alpha, Beta, Delta and Omicron BA.1 are assessed and compared with bivalent protein vaccine SCTV01C (Alpha and Beta
