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. 2022 Dec 3;79(12):616. doi: 10.1007/s00018-022-04643-1

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Fig. 4 — CD68⁺ macrophage and MPO⁺ neutrophil cells are associated with damage of the olfactory epithelium during SARS-CoV-2 infection. CD68⁺ (A₁) and MPO⁺ (B₂) signal in the olfactory epithelium (OE, left) and lamina propria (LP, right) in either control animals (CTL) or at 1 or 2 days post-infection (dpi) (Mean normalized to control ± SEM, n = 4, *p < 0.05 (Mann–Whitney test)). Correlation between score damage and percentage of CD68⁺ (A₁) and MPO⁺ (B₂) signal in the olfactory epithelium (left panel) and the lamina propria (right panel). Spearman test p value