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. 2021 May 11;51(6):1535–1538. doi: 10.1002/eji.202049046

Figure 2.

Figure 2

CCR6+ CD8 T cells enriched in BALF of mechanically ventilated COVID‐19 patients. Chemokine receptor expression (CXCR3 (A), CCR4 (C), CCR6 (E)) on T cells, and levels of chemokines that bind these receptors (ligands of CXCR3 (B), ligands of CCR4 (D), ligands of CCR6 (F)) in patients with COVID‐19 admitted to the ward (n = 22) or ICU (n = 9) were determined using flow cytometry or Luminex, respectively. Horizontal lines indicate medians. Differences were tested using Wilcoxon rank‐sum test (blood ward vs. blood ICU) or Wilcoxon‐signed rank test (blood vs. BALF). *p < 0.05, **p < 0.01, ***p < 0.001. Data were collected from consecutive enrolled patients with 1–4 patients per experiment.