Fig. 3
PRNT assay of the polyclonal antibodies produced by AcRBD-sfGFP-V immunization in BALB/C mice. A The bar chart shows the percent viral inhibition after 10-fold serial dilution. B A nonlinear relation is blotted and giving the equation y = −5.6833×2 + 8.45× + 61.033 where y substituted with 50 representing the neutralization titer (PRNT50) of SARS CoV-2 in Vero cells with PRNT50 > 100 shown in the bar chart with respect to the negative control (no serum)