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Goals are to increase public awareness about dengue, mobilize resources for its prevention and control and, to demonstrate the Southeast Asian region's commitment in tackling the disease. [93] Efforts are ongoing as of 2019 to make it a global event. [94] The Philippines has an awareness month in June since 1998. [95] [96]
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Indoor spraying of insecticides is another prevention method widely used to control mosquito vectors. To help control the Aedes aegypti mosquito, homes are sprayed indoors with residual insecticide applications. Indoor residual spraying (IRS) reduces the female mosquito population and mitigates the risk of dengue virus transmission. Indoor ...
[1] [2] It is a vector of dengue, Ross River virus, [3] and lymphatic filariasis, [1] and a probable vector of Zika virus. [4] Adults lay eggs in natural and human-associated pools of freshwater. Common larval habitats include tree holes, holes in volcanic rock formations, coconut shells, water storage containers (drums), and discarded trash ...
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]
In a small proportion of cases the disease develops into the life-threatening dengue hemorrhagic fever, resulting in hemorrhage, thrombocytopenia and blood plasma leakage, or into dengue shock syndrome, where shock occurs. Dengue is transmitted by several species of mosquito within the genus Aedes, principally A. aegypti.
The test was once part of the World Health Organization (WHO) algorithm for diagnosis of dengue fever, [3] however it is no longer used in the latest WHO guidance. [4] Studies have shown that the tourniquet test has low predictive value for dengue fever and should be used in conjunction with other tests for a reliable diagnosis. [5] [6] [7] [8]
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 ...