Mosquito-borne illnesses

Dengue fever

Dengue fever is one of the most common exotic causes of fever in Australian travellers returning from developing countries. Many practitioners would suspect the diagnosis of this flavivirus infection when confronted with a febrile traveller who has returned from a developing country within the previous 14 days.

Dengue infection is confirmed by demonstrating the presence of the virus in the blood (usually by detection of dengue non-structural antigen