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Fig. 5 | Beni-Suef University Journal of Basic and Applied Sciences

Fig. 5

From: Localization and immunohistochemical detection of swine influenza A virus subtype H1N1 antigen in formalin-fixed, paraffin-embedded lung tissues from naturally infected pigs

Fig. 5

Photomicrograph of lung sections of SIV-positive control showing a an intense granular brown immunohistochemical staining in the alveolar macrophages (arrowed), b negative control without immunohistochemical reaction. Streptavidin-peroxidase, DAB. Bar = 10 μm, d, e intense immunosignal in the bronchial submucosal glandular epithelial cells (arrowed). Streptavidin-peroxidase, DAB. Bar = 10 μm, and f less intense immunosignal was detected in the nuclei and cytoplasm of the bronchiolar epithelial cells (arrows). Streptavidin-peroxidase, DAB. Bar = 50 μm

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