The frequency of PD-1 expression among AIM+CD4+ T cells did not show an accumulation or increase in children with a higher number of dengue cases or a significant difference between the preinapparent and presymptomatic groups (Supplemental Figure 6A; supplemental material available online with this article; https://doi.org/10.1172/jci.insight.179771DS1). The gene discussed is CD4; the disease is dengue disease.