Fig. 4From: Oral recombinant Lactobacillus vaccine targeting the intestinal microfold cells and dendritic cells for delivering the core neutralizing epitope of porcine epidemic diarrhea virusScheme of oral immunization and schedule of sampling feces, sera, intestinal mucus, external genital tract fluids, and spleens. Immunization dosage was 100 μL (109 CFU) per mice by oral administration. Primary immunizations were performed on 3 consecutive days (days 1, 2, and 3). Booster immunizations were administered on days 14, 15, and 16Back to article page