Ddt and Malaria Essay

1349 WordsJan 28, 20136 Pages
DDT and Malaria In 2009, the World Malaria Report estimated that half of the world’s population has a risk for contracting malaria. In countries such as the US and UK it is the number one hazard to travelers going to tropical countries. In the UK there are about 2,000 reported cases a year with ethnic minorities traveling outside of the UK with the highest incidence. Those who were of ethnic minority had a seven time increase of contracting malaria. This is was due to the fact that those of ethnic minority were less likely to take the preventive measures when traveling (Joshi, 2010). Malaria has different degrees of severity in 109 countries. Malaria is a protozoa parasite that is transmitted to humans by mosquitoes. The most dangerous species is Parasite Falciparum. The incubation period of malaria is six days and during that stage they can become dormant in the liver and then have a latent period until they become reawaken a few month later to cause the clinical symptoms. The danger of malaria is the risk of hemolytic anemia where the parasite enters the red blood cells to proliferate and lysis the red blood cells. This leads to a variety of symptoms such a hepatomegaly, and eventually coma and death due the depleted red blood cell count (Turner, 2011). According to the CDC Malaria has a substantial financial cost to individuals and government. The individual expenses are thing such a drug treatment, travel expenses, preventive measures. The government costs include the purchase of the drugs and supplies, prevention of malaria, distribution of nets and drugs. Malaria is also listed as the fifth cause of death from infectious disease. DDT is a spray that kills mosquitoes which prevents the transmission of malaria. This has been used to treat malaria for more than 60 years. The importance of malaria can be seen by a test

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