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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.
In Guatemala, children represent 70% of dengue-related deaths, while those under age 15 make up more than a third of severe cases in Mexico, Costa Rica and Paraguay, PAHO data shows.
Federal health officials issued a warning over the increased risk of dengue fever around the world — with nearly 10 million reported cases this year in the Americas alone.
While the rising incidence of dengue fever is concerning on a global level, Adalja says people don’t need to cancel their travel plans. “It’s an endemic disease all over the world,” he notes.
Dengue fever is caused by infection through viruses of the family Flaviviridae. The illness is most commonly transmitted by Aedes aegypti mosquitoes in tropical and subtropical regions. [58] Dengue virus has four different serotypes, each of which are antigenically related but have limited cross-immunity to reinfection. [59]
Severe cases can cause serious bleeding, shock and death. Repeated infections can be especially dangerous. Dengue cases usually surge during the wet season, but by late March, Puerto Rico already had declared an epidemic, with officials warning last month that it cannot be controlled unless residents cooperate. The U.S. territory has reported ...
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 is a viral fever spread through mosquito bites. It’s common in many tropical regions across the globe, but has recently appeared in more temperate climates. Dengue fever, once confined to ...