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. 2021 Dec 20;17(12):e1010142. doi: 10.1371/journal.ppat.1010142

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© 2021 Xue et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 10 — (A-B), Replication of rgRSV mutants in cotton rats. Four-week-old SPF cotton rats were inoculated intranasally with 2.0×10⁵ TCID₅₀ of each rgRSV. At day 4 post-infection, the cotton rats were sacrificed, and lungs (A) and nasal turbinate (B) were collected for virus titration by TCID₅₀ assay. (C), Lung histology from RSV-infected cotton rats. Hematoxylin-eosin (HE) staining of lung tissue was shown. Histological images were taken under light microscopy. Micrographs with ×20 magnification (scale bar of 500 μm) are shown.