Figure 1

Polyclonal phage ELISA to confirm enrichment of the SARS-CoV-2 spike protein-binding phage antibody during bio-panning (A) and monoclonal phage ELISA results to identify the antigen-binding activity and specificity of individual antibodies (B). R0, R1, and R2 denote the original library and libraries obtained after rounds 1 and 2 of bio-panning, respectively. n = 3; Data have been expressed as mean ± standard deviation.