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The Wellcome Trust: Plasmodium Falciparum
This effective site provides background information about the plasmodium falciparum parasite which causes the most severe form of malaria.
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World Health Organization: What Is Malaria?
The World Health Organization provides some factual and statistical information regarding malaria. The article tells the causes, the four types of human malaria, symptoms, and up-to-date prevention and treatment methods.