The level of galectin-9 in healthy controls was significantly lower than in other groups (10,287 pg/mL (7197–14,868) (dengue) vs. 9852 pg/mL (7806–13,932) (bacterial infection) vs. 10,515 pg/mL (7743–14,161) (OFI) vs. 5061 pg/mL (4691–6018) (healthy controls)). The gene discussed is LGALS9; the disease is bacterial infectious disease.