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Unlike the malaria mosquito, the Aedes aegypti mosquito, which transmits the dengue virus, is most active during the day, and is found mainly in urban areas, in and around human dwellings.
Signs and symptoms of dengue fever include a sudden onset of high fever, headache, joint and muscle pains, nausea and vomiting. A rash of small red spots sometimes appears three to four days after the onset of fever. Severe complications do sometimes occur. You should seek medical attention as soon as possible if you think you may be infected. A blood test can indicate the possibility of the fever. There is no specific treatment. Aspirin should be avoided, as it increases the risk of haemorrhaging. There is no vaccine against dengue fever.
