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. 2021 Feb 19;102(3):001567. doi: 10.1099/jgv.0.001567

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© 2021 The Authors

This is an open-access article distributed under the terms of the Creative Commons Attribution NonCommercial License. The Microbiology Society waived the open access fees for this article.

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Fig. 5. — Histopathological findings in the lungs of ferrets inoculated with the UNC19 SARS-CoV-2 strain. Perivascular cuffing (a, 400×, arrows) and mild bronchiolitis (b, 200×, arrow) was observed at D2, with minimal presence of viral RNA (b, inset, 400×) within alveolar walls not related to histopathological lesions. Perivascular cuffing was also observed at D4 (c, 200×, arrows) and D7 (e, 200×, arrows). Mild bronchiolitis with presence of intraluminal inflammatory infiltrates was observed at D4 (d, 200×, arrow). Scattered foci of parenchymal inflammation were also observed at D7 (f, 400×, arrow).