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Malaria is one of the most common parasitic infections. About 500 million new cases of malaria arise in the world each year, resulting in more than 1 million deaths. Malaria is an infectious disease caused by Plasmodium parasites, which are one-cell parasites. A human infection begins with the bite of an infected female Anopheles mosquito. After biting a person, the mosquito injects Plasmodium parasites into the body. The parasites attack red blood cells and multiply. Malaria infection ends in one of two ways: either the patient dies or the parasite is defeated by the immune system or medications. The symptoms of malaria are similar to those of the common flu: chills, fever, sweating. |
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