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The symptoms of dengue resemble many other diseases including malaria, influenza, and Zika. [10] Blood tests are available to confirm the diagnosis including detecting viral RNA, or antibodies to the virus. [11] There is no specific treatment for dengue fever. In mild cases, treatment is focused on treating pain symptoms.
Dengue fever is a mosquito-borne tropical disease caused by the dengue virus. [1] Symptoms typically begin three to fourteen days after infection. [2] This may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash. [1] [2] Recovery generally takes less than two to seven days. [1]
The test was once part of the World Health Organization (WHO) algorithm for diagnosis of dengue fever, [3] however it is no longer used in the latest WHO guidance. [4] Studies have shown that the tourniquet test has low predictive value for dengue fever and should be used in conjunction with other tests for a reliable diagnosis. [5] [6] [7] [8]
Schematic depiction of the symptoms of dengue fever. Typically, people infected with dengue virus are asymptomatic (80%) or only have mild symptoms such as an uncomplicated fever. [1] [2] [3] Others have more severe illness (5%), and in a small proportion it is life-threatening.
Latin America is experiencing its worst dengue fever outbreak on record. Case numbers in the first 4 ½ months of 2024 are already 238% higher than they were by this time last year, which itself ...
Dengue fever is caused by infection through viruses of the family Flaviviridae. The illness is most commonly transmitted by Aedes aegypti mosquitoes in tropical and subtropical regions. [54] Dengue virus has four different serotypes, each of which are antigenically related but have limited cross-immunity to reinfection. [55]
Dengue fever typically carries a mortality rate of less than 1% if it is detected early and treated properly. If left untreated, the mortality rate can be as high as 20%, the CDC said. Show comments
The second dengue virus infection can be fatal, especially if the infected person develops severe dengue. The World Health Organization (WHO) has noted that having a previous infection with the dengue virus significantly increases the risk of developing severe dengue. This risk increases considerably even further if the second infection is ...