In bacterial infection group, the level of E-selectin was significantly higher than other groups (35,721 pg/mL (26,379–55,092) (dengue) vs. 92,652 pg/mL (49,982–170,730) (bacterial infection) vs. 40,680 pg/mL (26,379–54,507) (OFI) vs. 31,434 pg/mL (23,038–47,933) (healthy controls)). The gene discussed is SELE; the disease is dengue disease.