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. 2020 May 31;97:313–321. doi: 10.1016/j.ijid.2020.05.106

Figure 1.

Figure 1

Leukocyte populations and CD4+ and CD8+ T cell counts and Ki-67 expressions at the third week of illness in 12 patients with COVID-19 according to severity. (A) The counts (cells/μL) of neutrophils, lymphocyte, and monocytes in severe (n = 4, open circle) or mild cases (n = 8, closed circle). (B) Frequencies and counts (cells/μL) of CD4+ and CD8+ T cells. (C) Ki-67 expressions in CD4+ and CD8+ T cells. (D) Representative dot plots show the identification of Ki-67+, HLA-DR+, PD-1+, or CD38+ cells in CD4+ (1st line of each panel) or CD8+ (2nd line of each panel) T cells in severe (upper panels) or mild (lower panels) cases. Bars denote mean values. Gray boxes represent interquartile ranges of healthy controls.