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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 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.
Here’s what to know about the virus. What is dengue? Dengue is a viral disease more commonly experienced in tropical and subtropical climates, according to WHO. There are four different virus types.
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.
What is dengue? Dengue is caused by four different but related viruses (DENV-1, -2, -3, and -4), or serotypes, which co-circulate and can infect a person at the same or different times. Symptoms ...
A city worker fumigates a market at night in the fight against the Aedes aegypti mosquito, which transmits the dengue virus, in Guatemala City, Guatemala, on Aug. 31, 2023.
The recent spread of Dengue can also be attributed to rapid population growth, increased coagulation in urban areas, and global travel. Without sufficient vector control, the dengue virus has evolved rapidly over time, posing challenges to both government and public health officials. [58] Malaria is caused by a protozoan called Plasmodium ...
The species of mosquito that carries the dengue virus — as well as yellow fever, chikungunya and Zika — is still found all over the nation. “I think there’s a lot of complacency” around ...