Fig. 3From: Identification and pathogenicity of a variant porcine epidemic diarrhea virus field strain with reduced virulenceClinical sign (upper three panels) and immunohistochemical staining for PEDV FL2013 or CHGD-01 strain in tissue section of small intestines. The PEDV antigen stains brown in the cytoplasm of most epithelial cells on the villi (original magnification × 100)Back to article page