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Dengue vaccine is a vaccine used to prevent dengue fever in humans. [9] Development of dengue vaccines began in the 1920s but was hindered by the need to create immunity against all four dengue serotypes. [10] As of 2023, there are two commercially available vaccines, sold under the brand names Dengvaxia and Qdenga. [11] [12]
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.
The CDC reports there have been 197 cases of dengue in Florida in 2024. Of those, six were acquired locally, and 191 were travel related. CDC issues health alert as dengue cases hit record high.
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]
Most dengue fever patients recover in a week, but in severe cases the disease can be life-threatening and require hospitalization since it can result in shock, internal bleeding and even death.
The CDC warning instructs doctors to test patients with symptoms that look like dengue, especially those patients who have traveled to a part of the world where the disease is more common.
Where the mothers develop the disease between 5 days prior to, or 2 days after delivery. [17]: 110 Dengue haemorrhagic fever (DHF) Viral Untreated 26% Dengue haemorrhagic fever is also known as severe dengue. [33] [34] Murray Valley encephalitis (MVE) Viral No cure [15–30]% No specific treatment; usually involves supportive care. [35]
The number of dengue cases reported in the Americas exceeded 9.7 million during the period between January 1 and June 24, twice as many as in all of 2023, the CDC said, adding that a higher-than ...