IFNG and dengue disease: Serum IFNγ levels were also significantly higher (p = 0.04) in patients with severe dengue (mean 268.8, SD ± 346.2, median 128.4, range 29.8 to 1405 pg/ml) when compared to non severe dengue (mean 174, SD ± 265.6, median 72.2, range 8.1 to 1466 pg/ml).