Fig. 4: SARS-CoV-2 immunohistochemistry on respiratory tract tissues from donor and recipient hamsters. | npj Viruses

Fig. 4: SARS-CoV-2 immunohistochemistry on respiratory tract tissues from donor and recipient hamsters.

From: Characterization of a SARS-CoV-2 Omicron BA.5 direct-contact transmission model in hamsters

Fig. 4

From left to right, nasal, tracheal, and bronchial mucosae are depicted. From top to bottom, the consecutive day's post exposure (DPE; donor exposure = time of inoculation; recipient exposure = end of co-housing) and at the end of experiment (EOE; 14 DPE for donor, 12 DPE for recipient) are depicted. Positive viral antigen is visualized as reddish-brown staining of the epithelial cells’ cytoplasm and/or cilia by AEC-immunoperoxidase, on haematoxylin counterstain. Original magnifications 200×. Scale bar 100 µm.

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