Case Report

Prolonged Disease Course of COVID-19 in a Patient with CTLA-4 Haploinsufficiency

Figure 2

(a) CTLA4 expression in CD25+ FOXP3+ T-cells within CD4+ population in our patient (in red), as well as healthy controls (in blue, green, and yellow). (b) ICOS expression in CD25+ FOXP3+ T-cells within CD4+ population in our patient and healthy controls. (c) Expression in CD25+ FOXP3+ T-cells within CD4+ population in our patient and healthy controls. (d) Expression in CD25+ FOXP3+ T-cells within CD4+ population in our patient and healthy controls.
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