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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]
More serious symptoms have a greater risk of appearing in people over 60 years of age, or those with cancer, diabetes, hypertension, and kidney disease. [14] Dengue fever is mostly characterized by high fever, headaches, joint pain, and rash. However, more severe instances can lead to hemorrhagic fever, internal bleeding, and breathing ...
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, Australia Dengue fever: 1+ (503 cases) [262]
There have been more than twice as many cases of dengue fever across North, South and Central America — more than 9.7 million — in the first half of 2024 than there were in all of 2023, ...
It causes disease of varying severity in humans, from dengue fever (DF), which is usually self-limited, to dengue hemorrhagic fever and dengue shock syndrome, either of which may be life-threatening. [35] It is estimated that as many as 390 million individuals contract dengue annually. [36]
The process of climate change has produced abundant rains and high temperatures, (a phenomenon called tropicalization) favouring the reproduction of the mosquito that transmits the dengue virus, advancing the epidemic this year by several weeks compared to previous seasons, which historically, Infection peaks tended to occur between March and April, suggesting a continued increase in cases. [11]
More than 1,000 people have died from dengue in Bangladesh’s worst outbreak on record, official data shows, with rising temperatures due to the climate crisis driving the ongoing spread as more ...