Fig. 4
From: Characterization and pathogenicity of Vero cell-attenuated porcine epidemic diarrhea virus CT strain
Histopathological and immunohistochemistry analyses. a–d Comparison of small intestinal lesions in different groups (Mock, P120, P64, and P10) at necropsy at 3 days post infection (dpi). e–h H&E-stained jejunum tissue sections of the different groups at 3 dpi. i–l h&e-stained ileum tissue sections of the different groups at 3 dpi. m–p Immunohistochemically stained jejunum tissue sections of the different groups at 3 dpi PEDV antigen is indicated by arrows). q–t Immunohistochemically stained ileum tissue sections of the different groups at 3 dpi (PEDV antigen is indicated by arrows). P10, PEDV after 10 passages; P64, PEDV after 64 passages; and P120, PEDV after 120 passages; h&e, hematoxylin and eosin; PEDV, porcine epidemic diarrhea virus