DDT & Malaria: Observation and Background Essay

DDT & Malaria: Observation and Background Essay

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Malaria is a a terrible and sometimes lethal disease caused by a parasite which feed on human and bite them (1). And mosquito is one of the parasite, especially for female mosquitoes which are affected, they transmit the organisms from their saliva into the circulatory system of a person. If people get malaria, they will become very sick, they may get high fevers, shaking chills, and flu-like lillness (1). Malaria is a serious problem in developing countries whith warm and moisture climates, that’s why in this places, it is a major cause of death.
Temperature and humidity are two most vital environmental factors that contribute to the transmission of malaria from ecological zone to another. Due to mosquito is the main organism transmitting malaria, the place that mosquito lives is where spread malaria. Mosquitoes need water to finish their life cycle, the place with water is an optimal environment for pupa mosquitoes to live, because when the mosquitoes are pupas, they hanging from the surface of the water.
DDT is one of the organochlorine insecticides which used after World War II. It was used widely and was found to be deadly to insects (2). DDT is a man-made chemical used all over the world to control and eradicate insets which threat the growth of crops and carry disease like malaria and typhus (2).
DDT is a white and crystalline powder with little taste which has very low solubility in water. It does not break down in the environment or in organisms (3). First, DDT will not dissolve in water because it is water insoluble and lipid soluble; however, it will in the fats of organisms (3)and has strong potential for entry into fresh water. It is difficult to wash away in the environment due to DDT is insoluble in water (3). ...


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...an den. “DDT and Malaria Prevention: Addressing the Paradox.” Environmental Health Perspectives, June 2011, 119(6): 744-747. Web, 18 January 2011. DOI: 10. 1289/ehp. 1002127.
5.Cone, Marla ”Should DDT Be Used to Combat Malaria?” 4 May 2009.
6. Casarett & Doull’s Toxicology. The basic science of poisons, Fifth edition.;Klaassen, C. D., aMDUR, M. O., dOULL, j., Eds.; McGraw-Hill: New York, 1996.
7.“DDT (General Fact Sheet).” National Pesticide Information center, Web, December 1999.
8. World Health Organization. DDT and its derivatives. Environmental aspects. Environmental Health Crieria. Geneva, Switzerland, 1989; Vol. 83.
9. Rpberts DR, Andre RG. “Insects resistence issue in vector-borne disease control.” Europe PubMed Central. 1994.
10. Dyson, John, “DDT Should Not Be Banned.” Center For International Development At Harvad University. Web, 16 September 2000.

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