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The symptoms of dengue resemble many other diseases including malaria, influenza, and Zika. [10] Blood tests are available to confirm the diagnosis including detecting viral RNA, or antibodies to the virus. [11] There is no specific treatment for dengue fever. In mild cases, treatment is focused on treating pain symptoms.
Symptoms usually last between 2–7 days, and most people feel better after one week. The fever typically persists for at least 24 hours and may spike again. Between 0.5% and 5% of cases become ...
[5] [9] The fever itself is classically biphasic in nature, breaking and then returning for one or two days, although there is wide variation in how often this pattern actually happens. [12] [13] In some people, the disease proceeds to a critical phase around the time fever resolves [7] and typically lasts one to two days. [8]
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]
Case numbers in the first 4 ½ months of 2024 are already 238% higher than they were by this time last year, which itself ended with a record 4.1 million cases, according to the Pan American ...
For perspective, there have been 2,559 cases of dengue fever reported in U.S. states and territories since the start of 2024, per the CDC. A large majority of those (1,724) were reported in Puerto ...
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 six months.
By early December, there had already been more than five million dengue infections worldwide this year—a dramatic increase from some 500,000 cases in 2000—recorded across at least 80 countries ...