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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.
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]
Epidemic dengue has become more common since the 1980s. By the late 1990s, dengue was the most important mosquito-borne disease affecting humans after malaria, with around 40 million cases of dengue fever and several hundred thousand cases of dengue hemorrhagic fever each year. Significant outbreaks of dengue fever tend to occur every five or ...
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]
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 ...
In March 2023, Brazil approved a vaccine against dengue and became the first country in the world to offer a dengue vaccine through the public health system, according to the health ministry.
Home to about half a million people, Niteroi has had just 403 suspected cases of dengue so far this year, and its incidence rate per capita is one of the lowest in the state, with 69 confirmed ...
2008 Philippines dengue epidemic 2008 Philippines: Dengue fever: 172 [258] 2008 Zimbabwean cholera outbreak: 2008–2009 Zimbabwe: Cholera: 4,293 [259] 2009 Bolivian dengue fever epidemic: 2009 Bolivia: Dengue fever: 18 [260] 2009 Gujarat hepatitis outbreak: 2009 India Hepatitis B: 49 [261] Queensland 2009 dengue outbreak 2009 Queensland ...