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Search results 611 - 620 of 1292 matching essays
- 611: AIDS
- ... HIV (human immunodiciency virus). The first cases in this country came to light in the early eighties. Although the origins of AIDS remains uncertain it is thought to have emerged decades ago in sub-Saharan Africa. There is a closely related virus (simian immunodeficiency virus, or SIV) that is found among monkeys in that particular area which AIDS is thought to have evolved from (Combating AIDS 353). When the virus first ...
- 612: The Ebola Virus
- ... associated with monkeys was a filovirus (family of viruses containing Ebola) isolated from cynomolgus monkeys from the Philippines. This Virus caused no serious symptoms in humans. Scattered outbreaks of Ebola have been reported in Central Africa for several years. The Ebola virus is a member a family of RNA viruses known as filoviruses. Ebola is a negative stranded RNA virus. The virus partial has the shape of a long stand with ...
- 613: Hepatitis A
- ... may be responsible for some of the relapses observed in patients with chronic active hepatitis. Type B infections have also been linked with a form of liver cancer called hepatocelluar carcinoma, particularly in Asia and Africa. Of those contracting chronic hepatitis, most are women under the age of 45. Steroids are used to treat certain cases of chornic hepatits of nonviral origin, but their prolonged use in treating Hepatitis B is ...
- 614: Ebola Virus
- ... the antibodies in its blood. It must have a stable host, one in which it has reached equilibrium with. Collection of animal specimens is currently underway to determine the source. The possible species in tropical Africa are so numerous that a long and lucky search is likely to be required. The virus itself can be decimated by Ultra Violet light, gamma rays, irradiation, lipid solvents, detergents, and common disinfectants. Moving quickly ...
- 615: The Worlds Fight Against Microbes
- ... of social and economic deprivation. Poor people were more likely to self-medicate themselves using antibiotics purchased off the black market, or borrowing leftovers from relatives (Garrett 417-19). " Whether one looked in Spain, South Africa, the United States, Romania, Pakistan, Brazil, or anywhere else, the basic principle held true: overuse or misuse of antibiotics, particularly in small children and hospitalized patients, prompted emergence of resistant mutant organisms" (Garrett 419). Infectious ...
- 616: The Plague
- ... terrible pestilence in China, spreading through Mesopotamia and Asia Minor had reached Europe, but caused no concern until two years later. In January of 1348 the plague had reached Marseille in France and Tunis in Africa. By the end of the next year the plague had reached as far as Norway, Scotland, Prussia, Iceland, and Italy. In 1351 the infection had spread to include Russia. The plague was an equal opportunity ...
- 617: Leprosy
- ... term was translated as lepros, which the word leprosy came from. The diseases probable origin was the Indus Valley that is located in India. Leprosy spread from there to the Mediterranean region and North Africa, then all of Europe was affected. This disease is much less common now, as the world case count has dropped below 1 million. During 1995 about 530 000 new cases of leprosy were discovered. It ...
- 618: Lassa Fever: An Old World Arenavirus
- ... the villagers kill and eat the larger rat, Rattus ra ttus, which is a main competitor of the Mastomys natalensis, thereby allowing the smaller Mastomys to flourish. The disease mainly effects the areas of western Africa, from Senegal to, of course, Zaire, although it has been exported to the United States (about 115 cases). (Southern, 1996) Lassa fever consists of two single strands of RNA enclosed within a spherical protein coat ...
- 619: The Future of Human Evolution
- ... more rapidly no than ever since the human population is now larger than ever) and one can see these changes to the overall gene pool in the disappearance of certain human tribes within parts of Africa and South America.. These tribes unfortunately take exclusive alleles with them. What about Natural Selection in present human culture. Some peoples are growing faster than others, for example-Chinese faster than any other in the ...
- 620: Ebola
- ... to be killed. In the pursuit of a cure and an origin, there have beenseveral teams of scientists whose top priority is to find theviruses origin(5). The teams have trekked through the rainforests of Africa to collecting different species of animals,bugs, and plant life. Bugs are also collected from the hospitals and from the surrounding huts of the villages. So far 36,000specimens have been collected. Once they have ...
Search results 611 - 620 of 1292 matching essays
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