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Dengue virus genome (genetic material) contains about 11,000 nucleotide bases, ... [61] [62] Dengue, chikungunya and zika share the same mode of transmission ...
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]
Other person-to-person modes of transmission have also been reported, but are very unusual. [9] The genetic variation in dengue viruses is region specific, suggestive that establishment into new territories is relatively infrequent, despite dengue emerging in new regions in recent decades. [7]
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The CDC lists freely associated states and six U.S. territories as areas with “frequent or continuous dengue transmission,” including Puerto Rico, American Samoa, and the U.S. Virgin Islands.
Other person-to-person modes of transmission have also been reported, but are very unusual. [19] The genetic variation in dengue viruses is region specific, suggestive that establishment into new territories is relatively infrequent, despite dengue emerging in new regions in recent decades. [17]
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 ...
The dengue virus causes symptoms including fever, headache, pain behind the eyes, muscle and joint pain, rash and bleeding. Severe cases can involve organ impairment, shock and severe bleeding.