Figure 5

Immunohistochemistry (IHC) analysis (20X magnification) of small intestines of PDCoV-infected (A), PEDV-infected (D), co-infected (B and E), and control groups (C and F). Panels A to C were stained with anti-N PDCoV antibody. Panels D to F were stained with anti-N PEDV antibody. Red arrows represent enterocytes with positive signals for each virus.