Disease In Africa


"The fact remains that lowland, tropical Africa may well have the most intractable disease environment in the world."(Bohannan & Curtin,35) In order to understand diseases in Africa, one must first be acquainted with its geology. Africa is a gigantic landmass that is over 5200 miles long and 4600 miles wide. The continent is a vast plateau with five different types of physical regions. The first type of physical region is called the Mediterranean -type climates. This type of region provides Africa with nutritious land for vegetation. Next there is the deserts and arid plains, located inland. The Sahara and the Kalahari deserts are located here. Then there is the savanna regions, ...

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their society due to their type of land, climate and weather. "Among all the diverse natural environments of the earth, tropical rain forests are the most variegated in the sense that more diverse forms of life share this kind of habitat than occupy drier, cooler regions."(McNeill,16) Africa possesses the prefect breeding ground for many diseases. There were many diseases and viruses that have had an impact on Africa, however trypanosomiasis, malaria, yellow fever, AIDS, smallpox, onchocerciasis and yaws were the most destructive.
African trypanosomiasis is a destructive disease that is often called "the sleeping sickness." It is an infectious disease that is carried and distributed through two different parasites. These parasites are the trypanosoma brucei gambiense and the trypanosoma rhodesiense. Both parasites host and breed on the tsetse fly. The tsetse fly is an inset that carries the disease through its bloodstream. When the insect bites, it injects the disease ...

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through a central nervous system. Humans contract Malaria by falling victim to a mosquito that has the virus. Once the mosquito bites its prey, the disease spreads fairly quickly. Thus resulting in extremely fast death rates among humans. The history of malaria can be traced all the way to AD 500. It is a disease that still to this day devours humans. "Malaria affects about 250 million people per year, killing between 1-2 million, mostly children."(Book Mark LEPORSEY) Malaria was a disease that seemed to have the most impact on children, because young adults start to gain an amunity to the disease and eventually only suffer minor symptoms if they are affected. Since children ...

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PAPER DETAILS
Added: 3/20/2004 08:02:04 PM
Category: Science & Nature
Type: Premium Paper
Words: 4745
Pages: 18

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