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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.
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Dengue fever (UK: / ˈ d ɛ ŋ ɡ eɪ / or US: / ˈ d ɛ ŋ ɡ iː /), also known as breakbone fever, is an infectious tropical disease caused by the dengue virus. Symptoms include fever , headache , myalgias and arthralgias , and a characteristic skin rash that is similar to measles .
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 ]
Dengue vaccine is a vaccine used to prevent dengue fever in humans. [9] Development of dengue vaccines began in the 1920s but was hindered by the need to create immunity against all four dengue serotypes. [10] As of 2023, there are two commercially available vaccines, sold under the brand names Dengvaxia and Qdenga. [11] [12]
Lactic Acid: Found in human sweat, lactic acid is a significant attractant for many mosquito species, including those that transmit malaria and dengue fever. Its concentration can vary among individuals, partly explaining why mosquitoes are more attracted to some people than others.
Main symptoms of Dengue fever. To discuss image, instead see Talk:Human body diagrams: Date: 16 January 2011: Source: All used images are in public domain; references are found in Wikipedia article at Wikipedia:Dangue fever. Author: Mikael Häggström: Other versions
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. The method of detection is through enzyme-linked immunosorbent assay.