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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.
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]
A viral hemorrhagic fever is a possible cause of the Plague of Athens during the Peloponnesian War. [13] A viral hemorrhagic fever is an alternate theory of the cause of the Black Death and the Plague of Justinian [14] The initial, and currently only, outbreak of Lujo virus in September–October 2008 left four of five patients dead. [15]
The most widely known ADE example occurs with dengue virus. [34] Dengue is a single-stranded positive-polarity RNA virus of the family Flaviviridae. It causes disease of varying severity in humans, from dengue fever (DF), which is usually self-limited, to dengue hemorrhagic fever and dengue shock syndrome, either of which may be life ...
When laboratory tests for dengue fever become positive where day zero is the start of symptoms, 1st refers to in those with a primary infection, and 2nd refers to in those with a secondary infection. [7] Dengue fever may be diagnosed by microbiological laboratory testing. [26]
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 ...
[5] [18] Shock (dengue shock syndrome) and hemorrhage (dengue hemorrhagic fever) occur in less than 5% of all cases of dengue, [5] however those who have previously been infected with other serotypes of dengue virus ("secondary infection") are at an increased risk.
This year, the incidence of dengue fever globally has been the highest on record, especially in Latin American countries, where more than 9.7 million dengue cases have been reported. That's twice ...