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Patients suffering from dengue fever are treated inside the Mugdha General Hospital in Dhaka, Bangladesh, on Sept. 17, 2023. Mamunur Rashid—NurPhoto/Getty Images
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 ...
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 transmission peaks during the warmer and wetter months in many tropical and subtropical regions. Cases are likely to climb as global temperatures rise. Warmer weather means mosquitoes have ...
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]
This was relatively new, as the last dengue fever outbreak was in 2009; this specific serotype of DENV-1 in 2007. [ 2 ] Initial cases were restricted to Rarotonga and Aitutaki , [ 3 ] but in August 2020 a case was reported on Pukapuka . [ 4 ]
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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.