Fig. 1

Determination of purified recombinant PEDV-S and titers of anti-PEDV-S antibodies in the immunized camel. A SDS‒PAGE analysis of recombinant PEDV-S expressed by the baculovirus system. M, protein molecular weight marker; 1, purified recombinant PEDV-S. B Titers of anti-PEDV-S antibodies in the sera from a camel immunized with the inactivated PEDV vaccine