IL6 and hemorrhagic fever with renal syndrome: White blood cell (WBC), Procalcitonin (PCT), C-reactive protein (CRP), Il-6, and creatinine levels were measured for each patient, and Sequential Organ Failure Assessment (SOFA) scores were determined.<h4>Results</h4>The expression of nCD64 was generally elevated in HFRS patients and demonstrated a positive correlation with WBC, neutrophil, lymphocyte, monocyte, and PCT, as well as a negative correlation with platelet.