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Dengue fever is a mosquito-borne disease caused by dengue virus, prevalent in tropical and subtropical areas. It is frequently asymptomatic; if symptoms appear they typically begin 3 to 14 days after infection. These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin itching and skin rash.
Crystal structure of the dengue virus, which causes dengue fever. ICD-10-PCS. A90. LOINC. 75377-2. NS1 antigen test (nonstructural protein 1) is a test for dengue, introduced in 2006. It allows rapid detection on the first day of fever, before antibodies appear some 5 or more days later. [ 1] It has been adopted for use in some 40 nations.
A positive tourniquet test on the right side of a patient with dengue fever. Note the increased number of petechia. A tourniquet test (also known as a Rumpel-Leede capillary-fragility test or simply a capillary fragility test) determines capillary fragility. It is a clinical diagnostic method to determine a patient's haemorrhagic tendency.
The symptoms experienced by those infected with dengue can vary widely: up to 80% of dengue cases are asymptomatic, and while some infections may trigger only flu-like symptoms, more serious cases ...
“The tests for dengue include nucleic acid amplification tests of serum or IgM antibody (test of acute infection) tests. That would be something a doctor would order if a person had symptoms ...
The US Food and Drug Administration approved a vaccine for dengue in 2019 and the CDC recommends it to children ages 9 to 16 who have laboratory-confirmed evidence of a dengue infection and who ...
Dengue virus. Dengue virus ( DENV) is the cause of dengue fever. It is a mosquito -borne, single positive-stranded RNA virus of the family Flaviviridae; genus Flavivirus. [ 1][ 2] Four serotypes of the virus have been found, and a reported fifth has yet to be confirmed, [ 3][ 4][ 5] all of which can cause the full spectrum of disease. [ 1]
Causes. Dengue is a Flaviviridae virus, with five genetic types. [8] [9] Here is the virus drawn as a 3-dimensional model of the envelope protein. [10] Dengue is in the same family as other well known viruses carried by mosquitoes that cause tropical diseases, such as yellow fever, West Nile, and Zika virus. [11]