Malaria and ddt essay

Conducted in Limpopo, South Africa by de Jager and his colleagues, the study found men in the sprayed homes had extremely high levels of DDT in their blood and that their semen volume and sperm counts were low.

Should DDT Be Used to Combat Malaria?

Level of Toxicity in human bodies caused by DDT The level of toxicity that is caused by the DDT in the human body often affects the nervous system of the body. However, despite the causes it makes DDT is still the best way to prevent malaria since it kills the source of malaria thus reducing the rates of infections.

At this point, the life of a person is threatened and he could die any time. People living in malaria endemic areas develop low levels of protective immunity against P.

However, very many researchers have argued that DDT affects the human health due to the toxic levels or the chemicals, which it contains. Rapid diagnostic tests that detect P.

Essay: Malaria

Therefore, it is better to use the DDT than Malathion since it is very effective and cheap at the same time.

But such efforts have been less successful in other places, particularly South Africa. Those infected with Plasmodium falciparum experience symptoms after about twenty-four hours, those infected with Plasmodium vivax and Plasmodium ovale produce symptoms after a forty-eight hour interval, and after seventy-two hours Plasmodium malariae begin causing fever and chills Cann, Eradication of malaria with the use of anti-malarials is, however, continuously compromised by the increased prevalence of parasite resistance to the small amount of available commercial drugs.

When a mosquito strain that had previously been eliminated returned to South Africa, it was resistant to the pyrethroid insecticides that had replaced DDT. Some intra-erythrocytic stages, however, develop into male or female gametocytes that are ingested by the mosquito during its next blood meal.

These are subsequently released into the bloodstream where they invade erythrocytes. Another unique treatment of malaria is the use of the herb Artemisia annua. For instance, it is most prevalent in the African and Asian areas countries.

DDT had been researched and manufactured in St. It is particularly effective Malaria and ddt essay mosquitoes, since many species rest on an indoor wall before or after feeding. Current vaccine development strategies focus on different protein antigens that are expressed during the different stages of the life cycle, namely the pre-erythrocytic sporozoite and schizont-infected hepatic cellsthe asexual intra-erythrocytic merozoiteinfected erythrocytes and sexual exo-erythrocytic gametocyte stages Figure 1.

Novel antimalarials must be orally bioavailable, as the diseased individuals will most probably not have access to facilities such as hospitals and clinics. Although limiting the spread of malaria is not easy, finding a cure has presented several problems in recent years.

In the different cases of health issues caused by malaria, if they are not treated in time they lead to death. In South Africa, about 60 to 80 grams is sprayed in each household per year, Bouwman said. The other important species of the A gambiae complex, A arabiensis has similar breeding and biting habits to A gambiae s.

In the areas, the death rates of the different people who are affected by malaria are very high where it is estimated that annually more that half a million die because of malaria.

In parts of the world with rising living standards, the elimination of malaria was often a collateral benefit of the introduction of window screens and improved sanitation. Because some mosquitoes contain substances toxic to Plasmodium in their cells, not all species of mosquitoes are vectors of Plasmodium.

When malaria becomes severe, the health of a person deteriorates causing anemia, respiratory distress and a coma. The decision thus created controversy. Malaria parasites are transmitted to humans by the bite of infected female mosquitoes of more than 30 anopheline species.

Though many people are aware that malaria is a disease, they are unaware that it is life threatening, kills over a million people each year, and is a very elusive target for antimalarial drugs Treatment of Malaria, Although DDT prevents disease in poor countries it should not be their only choice to prevent malaria and other diseases.

DDT should not be used in the environment. DDT is /5(4). Dichlorodiphenyltrichloroethane, commonly known as DDT, is a colorless, tasteless, and almost odorless crystalline chemical compound, an organochlorine, originally.

Ddt and Malaria Essay Should DDT Be Used Against Malaria DDT is an effective control mechanism for containing the spread of malaria. However, when used as a control mechanism for agriculture, it has been shown to cause environmental harm to ecosystems in the area.

Ddt and Its Effects

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. DDT & Malaria: Observation and Background - Malaria is a a terrible and sometimes lethal disease caused by a parasite which feed on human and bite them (1). Methods and solutions were found, that replaces DDT to control malaria.

Many chemical and remediation processes was found that totally remove DDT from solid and aqueous solutions but still have much room for improvement. If you are the original writer of this essay and no longer wish to have the essay published on the UK Essays website then.

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Malaria and ddt essay
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