Fig. 4From: Useful clinical features and hematological parameters for the diagnosis of dengue infection in patients with acute febrile illness: a retrospective studyThe change in differential WBC count of dengue and control group by day of fever. Shows differential white blood cell count of dengue group (a) and control group (b). The neutrophil to lymphocyte ratio of dengue group was > 1 on the first 5 days then reversed on day 6 to Day 9 but in control group, the ratio was always > 1Back to article page