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Dynamic light scattering (DLS) and transmission electron microscopy (TEM) results indicated that the purified PPV-VP2 protein self-assembled into VLPs. Immunogenicity assays in guinea pigs and pigs indicated that the ISA-201 VG adjuvanted PPV-VP2 VLP vaccine elicited hemagglutination inhibition (HI) and virus neutralization (VN) antibody titers comparable with PPV commercial inactivated vaccines, whereas viral loads in the spleen and liver of challenged guinea pigs were significantly reduced. In conclusion, our study provides a method