Sample Essay on:
Malaria in Africa, Cholera in Asia, Chagas' Disease in South America

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Essay / Research Paper Abstract

This 5 page report discusses three of the world's most feared diseases - malaria, Chagas disease, and cholera. None of the three has to be fatal and yet each of the three is fatal when left untreated. The three also have certain common factors in that they are directly related to inadequate sanitation. Bibliography lists 7 sources.

Page Count:

5 pages (~225 words per page)

File: D0_BWcagas.rtf

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Unformatted sample text from the term paper:

a parasite, while cholera is a severe infectious disease caused by the bacterium Vibrio cholerae. Each can be deadly, although each can be successfully treated. For example, cholera has a mortality rate is more than fifty percent in untreated cases, but falls to less than one percent with proper treatment. The three have certain common factors in that they are directly related to inadequate sanitation. Cholera is due to the ingestion of fecal material in contaminated food or water. Chagas disease is carried by insects that nest in mud, adobe, or grass and palm dwellings. Malaria, of course, is carried by mosquitoes but the public health sanitation issue is standing, contaminated water where the mosquitoes can breed and proliferate. But control of the diseases is a problem for a number of reasons. Resistance to drugs is increasing, new diseases are emerging, and international travel rising significantly, the prospects of containing new outbreaks are diminishing. There are also some scientists who fear that global warming and environmental instability will heighten vulnerability to disease. The Causes The causative agent of cholera was discovered in 1883 by the German physician and bacteriologist Robert Koch. He found that virtually the only means by which a person can be infected is from food or water contaminated by bacteria from the stools of cholera patients (Abramowicz PG). The symptoms of cholera include violent diarrhea, vomiting, thirst, muscle cramps, and sometimes circulatory collapse. Death can occur as quickly as a few hours after the onset of symptoms. Treatment is usually intravenous or oral replacement of fluids and salts. Most patients recover in three to six days. However, malaria yearly strikes up to 500 million people, 90 percent of them in Africa, with up to ...

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