Malaria: Difference between revisions
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== Definition/Description == | == Definition/Description == | ||
Malaria is a parasitic infection caused by the bite of a female ''Anopheles'' mosquito.<sup>1</sup> The infection can result from any one of five parasites from the Plasmodium group including Plasmodium flaciparum, P. vivax, P. ovale, | Malaria is a parasitic infection caused by the bite of a female ''Anopheles'' mosquito.<sup>1</sup> The infection can result from any one of five parasites from the Plasmodium group including Plasmodium flaciparum (P. flaciparum), Plasmodium vivax (P. vivax), Plasmodium ovale (P. ovale), Plasmodium malariae (P. malariae), and Plasmodium knowlesi (P. knowlesi). Malaria causes fever, chills, malaise, headaches, and myalgia and can result in death if not treated appropriately.<sup>1</sup> The disease is most prevalent in Sub Suhahran Africa and Southeast Asia.<sup>1</sup> It has been eliminated from the United States, but is still one of the most common causes of fever in travelers that have returned from the aforementioned areas.<sup>1</sup><br> | ||
== Prevalence == | == Prevalence == |
Revision as of 22:22, 4 March 2010
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Definition/Description[edit | edit source]
Malaria is a parasitic infection caused by the bite of a female Anopheles mosquito.1 The infection can result from any one of five parasites from the Plasmodium group including Plasmodium flaciparum (P. flaciparum), Plasmodium vivax (P. vivax), Plasmodium ovale (P. ovale), Plasmodium malariae (P. malariae), and Plasmodium knowlesi (P. knowlesi). Malaria causes fever, chills, malaise, headaches, and myalgia and can result in death if not treated appropriately.1 The disease is most prevalent in Sub Suhahran Africa and Southeast Asia.1 It has been eliminated from the United States, but is still one of the most common causes of fever in travelers that have returned from the aforementioned areas.1
Prevalence[edit | edit source]
An estimated 500 million cases of Malaria occur each year, which 1-2 million deaths.2 About 90 % of these deaths occur in Sub-Saharan Africa.6 Severe Malaria (caused by P. falciparum) has a mortality rate of about 15-20%.1 About 1,500 cases are diagnosed within United States every year.4 An estimated 50% of the world’s population, about 3.3 billion people, are at risk for Malaria.6 The following areas are most commonly affected by malaria : Africa, India, Pakistan, Southeast Asia, Paupa New Guinea, Haiti, and parts of South America.2 109 countries and territories are affected worldwide and the disease is most prevelant in area of tropical climate, as the Anopheles mosquito is able to live in areas with warm temperatures.6 Transmission of Malaria has been eliminated from the U.S., Puerto Rico, Jamaica, Chile, Israel, Lebanon, North Korea, and Europe. However, Anopheles mosquitos are found throughout the world, except for Antarctica. As a result, the disease can be re-introduced into any country.
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