KLRC1 and dengue disease: Comparison of the frequencies of the 20 most discriminating variables revealed a significant difference between DF and REL patients only for the ɣδ T-cell variables; REL patients had increased naive ɣδ T cells, whereas DF patients had increased frequencies of EM ɣδ T cells and NKG2A+ ɣδ T cells (Figure 1E).