CD40LG and dengue disease: In dengue serology testing by enzyme-linked immunosorbent assay method using the microwell kit, 45.2% of the patients tested negative for dengue, 23.6% were IgM-positive, 22.6% were NS1-positive, 7.2% were IgG-positive, 0.7% were NS1- and IgM-positive, and 0.7% were IgM- and IgG-positive (Table 5).