What sample is required?
The determination is made from a venous blood sample from the arm.
Is some kind of prior preparation necessary?
The sample is taken after 5 days of symptomatology.
Why do the analysis?
To establish the diagnosis of dengue, especially if fever occurs upon return from a tropical or subtropical geographic area.
When to do the analysis?
When a fever develops within the first 2 weeks of returning from an area where dengue is endemic, or if there has been a dengue epidemic.