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The UCLA Language Materials Project (LMP) maintained a web resource about teaching materials for some 150 languages that are less commonly taught in the United States. The project, funded by the U.S. Department of Education , was created in 1992.
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Dengue is a Flaviviridae virus, with five genetic types. [8] [9] Here is the virus drawn as a 3-dimensional model of the envelope protein. [10]Dengue is in the same family as other well known viruses carried by mosquitoes that cause tropical diseases, such as yellow fever, West Nile, and Zika virus.
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]
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 term waterborne disease is reserved largely for infections that predominantly are transmitted through contact with or consumption of microbially polluted water.Many infections may be transmitted by microbes or parasites that accidentally, possibly as a result of exceptional circumstances, have entered the water.
Mild cases of dengue fever can easily be confused with several common diseases including Influenza, measles, chikungunya, and zika. [61] [62] Dengue, chikungunya and zika share the same mode of transmission (Aedes mosquitoes) and are often endemic in the same regions, so that it is possible to be infected simultaneously by more than one disease ...
A poster notifying people that there are 10 or more cases of dengue in the neighbourhood. International Anti-Dengue Day is observed every year on June 15. [ 56 ] The idea was first agreed upon in 2010 with the first event held in Jakarta , Indonesia in 2011. [ 56 ]