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Malaria (also called biduoterian fever, blackwater fever, falciparum malaria, plasmodium, Quartan malaria, and tertian malaria) is one of the most infectious and most common diseases in the world. This serious, sometimes-fatal disease is caused by a parasite that is carried by a certain species of mosquito called the Anopheles. It claims more lives every year than any other transmissible disease except tuberculosis. Every year, five hundred million adults and children (around nine percent of the world’s population) contract the disease and of these, one hundred million people die. Children are more susceptible to the disease than adults, and in Africa, where ninety percent of the world’s cases occur and where eighty percent of the cases are treated at home, one in twenty children die of the disease before they reach the age of five. Pregnant women are also more vulnerable to disease and in certain parts of Africa, they are four times as likely to contract the disease and only half as likely to survive it.
The most common sites of malaria-carrying mosquitoes is in tropical and subtropical areas with warm climates. Also, there must be a source of water, such as a lake, ocean, or stream, because this is where the mosquitoes breed. While Africa is the site of most malaria cases, there are a few other countries that account for some of the malaria cases. In fact, in 1990, seventy-five percent of all recorded malaria cases outside Africa were condensed in nine countries, which were India, Brazil, Afghanistan, Sri Lanka, Thailand, Vietnam, Cambodia, Indonesia, and China. There was once a small malaria epidemic in the United States. It occurred mainly in Army families. This was because U.S. troops in other countries were not on the proper medication, contracted the disease, and brought it back to the United States.
Malaria in humans is caused by four species of protozoa, sophisticated one-celled organisms, that can infect red blood cells. These four species are called Plasmodium falciparum, plasmodium vivax, plasmodium malariae, and plasmodium ovale. The worst cases are caused by the Plasmodium falciparum species, which is also the species with the most resistance to drugs. To contract malaria, a mosquito, but not just any mosquito must bite a human. The only type of mosquito that can infect humans with the malaria virus is the Anopheles mosquito. While there are...

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...cceptable consequence to keeping hundreds of human lives.
Currently, there are a few different research projects dealing with malaria. For example, Dr. D. Lalloo is working on a project investing the effects of malaria in adolescents. Professor D. H. Molyneux is doing a research project on the effects of malaria on the HIV virus. Professor M. E. Molyneux is working on a project looking at diseases connected with malaria. There are also many other research projects investigating other aspects of malaria, such as a vaccine for this deadly disease.
While malaria is a curable disease if noticed early enough, there are still hundreds and hundreds of deaths due to malaria every year. This is because not everyone has access to the medicines that can be used to prevent this awful disease. In the last couple of years, a lot of progress has been made in developing a cure or vaccine for malaria. Hopefully, one will be developed within the next few years.

Works Cited
World Book Millenium 2000, pages 95-96

The New Complete Medical and Health Encyclopedia Volume Two, pages 591-593
Encyclopedia of Family Health, pages 993-996
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