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. 2021 Aug 30;10(9):1105. doi: 10.3390/pathogens10091105

Figure 1.

Figure 1

The absolute value and the percentage of CD4 T, CD8 T and B lymphocytes in flow cytometric analysis (gating strategy is shown in supplementary Figure S4) of asymptomatic and symptomatic patients with COVID-19. A representative flow cytometry figure is shown in (d–f). The following indexes were analyzed, including CD3 T lymphocyte absolute value (a), CD4 T lymphocyte absolute value (b), CD8 T lymphocyte absolute value (c), the percentage of CD4 T cells (d), the percentage of CD8 T cells (e) and the percentage of B cells (f). Green line: the normal lower limit. Red line: the normal upper limit. Each red dot represents single cell. The red numbers in the figure caption represent the percentage of cells in the corresponding quadrants. Bar graphs show the mean ± s.d. * p < 0.05; ** p < 0.01.