Figure 3

Hybridomas producing antibodies against GTH peptide, virus (WT), and recombinant S1 + S2 spike protein. The reactivities of cell culture supernatants from 20 hybridomas to (a) the GTH peptide, to (b) SARS-CoV-2 virus (WT) and to (c) the recombinant spike protein as determined by ELISA.