IL10 and dengue disease: Serum IL-10 levels were significantly higher (p = 0.001) in patients with severe dengue (mean 291.6 ± SD 573.6, median 154.3, range 24.98 to 3271 pg/ml), when compared to those with non severe dengue (mean 156.6 ± SD 258.2, median 81.9, range 7.8 to 2681 pg/ml) (Figure 1A).