Figure 5From: Comparative studies on the pathogenicity and tissue distribution of three virulence variants of classical swine fever virus, two field isolates and one vaccine strain, with special regard to immunohistochemical investigationsLungs. Experiment II, PID 14. Positive immunohistochemical staining. Lungs. Experiment II, PID 14. Immunoreactivity to WH 303 monoclonal antibody in the cytoplasm of the bronchiolar epithelial cells. Immunohistochemistry; EnVision™ +HP mouse system. Magnification 1080×.Back to article page