From Wikipedia, the free encyclopedia 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. Five serotypes of the virus have been found, all of which can cause the full spectrum of disease.
Dengue fever is a mosquito-borne tropical disease caused by the dengue virus. Symptoms typically begin three to fourteen days after infection. These may include a high fever, headache, vomiting, muscle and joint pains, and a characteristic skin rash. Recovery generally takes two to seven days.
A Dengue fever outbreak in the Indian state of Kerala in May and June 2017 had caused 6808 confirmed infections and 13 deaths by June 16. In Sri Lanka, there were 180,000 reported cases in 2017. The majority of cases being reported from the Western province. The highest numbers of dengue cases were reported during the 20 week of 2017.
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In 2017, the manufacturer recommended that the vaccine only be used in people who have previously had a dengue infection, as outcomes may be worsened in those who have not been previously infected. This led to the 2017–18 Philippine dengue vaccination controversy where more than 733,000 children and more than 50,000 adult volunteers were vaccinated regardless of serostatus .
Virus dengue ditularkan melalui nyamuk. Lima serotipe virus telah ditemukan, yang semuanya dapat mengakibatkan spektrum penuh penyakit. Meskipun demikian, pemahaman para ilmuwan tentang virus dengue mungkin masih sederhana karena virus ini tidak dikelompokkan berdasarkan jenis antigen yang berbeda, tetapi berupa kontinum. Sebuah penelitian ...
In 2017, a significant reduction was reported in the number of dengue cases in the Americas - from 2 177 171 cases in 2016 to 584 263 cases in 2017. This represents a reduction of 73%. Panama, Peru and Aruba were the only countries that registered an increase in cases during 2017.
Large genetic differentiation and low variation in vector competence for dengue and yellow fever viruses of Aedes albopictus from Brazil, the United States, and the Cayman Islands. The American journal of tropical medicine and hygiene, 2003,69:105-114.
Feb 16, 2018 · Overview Dengue (DENG-gey) fever is a mosquito-borne disease that occurs in tropical and subtropical areas of the world. Mild dengue fever causes a high fever, rash, and muscle and joint pain. A severe form of dengue fever, also called dengue hemorrhagic fever, can cause severe bleeding, a sudden drop in blood pressure (shock) and death.
Dengue viruses are spread to people through the bite of an infected Aedes species ( Ae. aegypti or Ae. albopictus) mosquito. Dengue is common in more than 100 countries around the world. Forty percent of the world’s population, about 3 billion people, live in areas with a risk of dengue. Dengue is often a leading cause of illness in areas with risk.
Zika virus is related to the dengue, yellow fever, Japanese encephalitis, and West Nile viruses. Since the 1950s, it has been known to occur within a narrow equatorial belt from Africa to Asia. From 2007 to 2016 [update] , the virus spread eastward, across the Pacific Ocean to the Americas, leading to the 2015–2016 Zika virus epidemic .