The CD4+IL-17/million CD3+ median (IQR) values were higher in children with MISC_A compared to MISC_C (p-value: 0.03), COVID-19 (p-value: 0.03), and controls (p-value: 0.03) (Table S2) (Figure 1) (Supplementary Figure S1). Here, CD4 is linked to COVID-19.