IFNG and Dengue hemorrhagic fever: No significant difference was noted in terms of % of IFN-γ-producing CD8+ T-cells as a function of DF vs. DHF disease severity (Figure 1b; Median ± IQR: DF= 0.495 ± 1.978; DHF = 0.405 ± 3.2, p = 0.8404 by Mann–Whitney test).