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Fig. 2 | BMC Medicine

Fig. 2

From: Long-term perturbation of the peripheral immune system months after SARS-CoV-2 infection

Fig. 2

Flow cytometry analysis of major immune cell populations in peripheral blood mononuclear cells (PMBCs) collected from COVID-19 convalescents at 12, 16, and 24 weeks post-infection (w.p.i.) and from healthy controls (HC). A Heatmap representing the frequency of immune cell populations in HC and in convalescents. Brighter red color represents higher frequency. B–D Volcano plots of immune cell populations at each timepoint. Horizontal line represents FDR = 0.05. Populations shown in red or blue were significantly (FDR < 0.05) increased or decreased (fold change > 1.5-fold), respectively, in convalescents. E–M The proportion of selected immune cell populations at 12, 16, and 24 w.p.i. compared to HC. Statistical significance was assessed using Wilcoxon rank sum tests. P values were adjusted for multiple testing using the Benjamini-Hochberg method. ns = non-significant. * FDR < 0.05, ** FDR < 0.01, *** FDR < 0.001

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