Oral or nasal immunization of piglets with porcine epidemic diarrhea virus (PEDV) S1 protein bacterial-like particles induces robust intestinal mucosal immune responses and provides reliable protection - Kai Su; Jing Ren; Yawen Wang; Chen Yuan; Yanan Zhang; Tingli Fan; Zelin Liu; Tairan Sun; Liu Yang; Xiaobo Wang; Qinye Song (Veterinary Microbiology, 2026)