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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.
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]
For perspective, there have been 2,559 cases of dengue fever reported in U.S. states and territories since the start of 2024, per the CDC. A large majority of those (1,724) were reported in Puerto ...
Patients suffering from dengue fever are treated inside the Mugdha General Hospital in Dhaka, Bangladesh, on Sept. 17, 2023. Mamunur Rashid—NurPhoto/Getty Images
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.
This year, the incidence of dengue fever globally has been the highest on record, especially in Latin American countries, where more than 9.7 million dengue cases have been reported. That's twice ...
In the Brazilian Amazon, oropouche is the second most frequent viral disease, after dengue fever. Several epidemics have generated more than 263,000 cases, of which half occurred in the period from 1978 to 1980. [ 15 ]