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

Table 3

Lymphocyte subset analysis performed when the patient was 34 years old and had recovered from COVID-19.

	Patient’s result	Normal range
T cells (/μL)	251	700–1900
CD4+ (/μL)	117	560–1067
CD8+ (/μL)	144	216–499
CD4/CD8-ratio	0.8	1.4–4.0
Activated T cells (% within CD4)	1.0	0.3–1.0
Naive T cells (% within CD4)	15.5	49.4–71.9
Effector T cells (% within CD4)	84.5	27.3–49.8
Activated T cells (% within CD8)	0.6	0.9–4.2
Naive T cells (% within CD8)	13.1	48.6–87.5
Effector T cells (% within CD8)	86.9	11.7–42.9
B cells (/μL)	0	114–436
NK cells (/μL)	36	100–400