2. Case description
A 25-year-old male, who worked as an accountant in Hai Phong, Vietnam, was admitted to Viet Tiep’s Hospital on day 1 of the onset of illness due to high-grade fever and severe headache. There was no myalgia, joint pain, diarrhea, skin and mucosal bleeding. The patient did not have any past medical records indicating of DENV infection prior to this event. On admission, general examination did not reveal any significant abnormalities. Neurological examination did not show any focal neurological deficits apart from