Novel Picornavirus in Turkey Poults with Hepatitis, California, USA
Figure 4. Immunohistologic staining of liver tissues with serum from a turkey poult with turkey viral hepatitis (TVH). Serum sample from PCR-positive poult 394.9 demonstrates turkey hepatitis virus (THV) antigens in clusters of cells in liver tissue of TVH-affected poult 2993A (A) but not in liver sections from nondiseased poult 1927B (B). Sections were counterstained with hematoxylin. Brightfield microscopy images; original magnification ×40.