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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. These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin itching and skin rash.
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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]
The Summary. Nearly 12 million cases of dengue fever have been recorded in the Americas this year, close to triple last year’s total. New research suggests that climate change is responsible for ...
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 ...
Mexico. 65,758 cases of dengue fever have been reported up to EW 19 in Mexico, accounting for 0.8% of total cases in Latin America and the Caribbean in 2024. 405 severe cases and 20 deaths have been reported so far in Mexico, with a fatality rate of 0.03%. DENV1, DENV2, DENV3 and DENV4 serotypes have been detected in Mexico. [3]
Mosquito-borne disease. Prevalence of malaria in 2009. A. aegypti only and dengue distribution in 2006. Mosquito-borne diseases or mosquito-borne illnesses are diseases caused by bacteria, viruses or parasites transmitted by mosquitoes. Nearly 700 million people contract mosquito-borne illnesses each year, resulting in more than a million deaths.
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. [11]