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Dengue fever is a global health concern. Traditionally, this mosquito-borne disease affects around one-third of the world's population, living in tropical and subtropical areas of the Pacific, Southeast Asia and the Americas (Guzman, et al., 2013). This means that around 2.5 billion people are at risk for an infection, many of them in countries that have inadequate health care facilities. Indeed, there is currently an outbreak in the Solomon Islands, which has led to Australia and New Zealand sending doctors to deal with the outbreak (ANN, 2013).
Dengue infects as many as 100 million people annually, and there are four dengue viruses. All are spread by mosquitoes, and there are no vaccines (CDC, 2013). Dengue emerged as a global health problem in the 1950s, primarily because the mosquito carriers of the viruses prefer urban environments, which were uncommon in the tropics prior to that time. While incidences in the United States are rare, the disease is a problem in Puerto Rico, Guam and American Samoa (CDC, 2013). The global dengue map shows that Cameron County in Texas and Monroe County in Florida (primarily the Everglades and the Keys) are at risk for dengue...
There is considerable risk to people who contract more than one strain of dengue, as the second or subsequent contractions of dengue in the same person often escalate to dengue hemorrhagic fever (Lineback & Gritzner, 2013).
The most common method of managing dengue is through preventative techniques. Typically, eradication of the mosquitoes is the best way to prevent the spread of dengue, since there are no vaccines for the virus. Mosquito eradication programs have reduced the risk of dengue significantly in some areas where it would otherwise be endemic, such as northern Queensland, Australia, Hawaii or French Polynesia. The concern, however, is that in many parts of the tropics there is inadequate ability to manage mosquito populations. Rainy weather is a contributing factor, but so too is poor infrastructure and lack of public funds in impoverished areas of the tropics. Hirschler (2013) notes that because of this, and because of the rapid pace of urbanization in the tropics, dengue infections are likely to escalate as a…
Works Cited:
ANN. (2013). Dengue fever spreads to Solomon Islands' provinces. Australia Network News. Retrieved April 13, 2013 from http://www.abc.net.au/news/2013-04-09/an-solomon-islands-dengue-fever-outbreak-spreads/4618948
CDC. (2013). Dengue. Center for Disease Control. Retrieved April 13, 2013 from http://www.cdc.gov/dengue/
Guzman, M. (2013). Dengue: A continuing global threat. Nature Retrieved April 13, 2013 from http://www.nature.com/nrmicro/journal/v8/n12_supp/full/nrmicro2460.html
HealthMap.org. (2013). DengueMap. Health Map.org. Retrieved April 13, 2013 from http://www.healthmap.org/dengue/index.php
Hirschler, B. (2013). Experts triple estimate of world dengue fever infections. Business World. Retrieved April 13, 2013 from http://www.bworldonline.com/weekender/content.php?id=68527
Lineback, N. & Gritzner, M. (2013). Dengue fever threat much greater. National Geographic. Retrieved April 13, 2013 from http://newswatch.nationalgeographic.com/2013/04/11/geography-in-the-news-dengue-fever-threat-much-greater/
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