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Plasmodium Malariae | Peer Reviewed Journals
Journal of Infectious Diseases & Preventive Medicine

Journal of Infectious Diseases & Preventive Medicine
Open Access

ISSN: 2329-8731

Plasmodium Malariae

Plasmodium malariae is a parasitic protozoan that causes malaria in humans. It is one of several species of Plasmodium parasites that infect other organisms as pathogens, also including Plasmodium falciparum and Plasmodium vivax, responsible for most malarial infection. Found worldwide, it causes a so-called "benign malaria", not nearly as dangerous as that produced by P. falciparum or P. vivax. The signs include fevers that recur at approximately three-day intervals – a quartan fever or quartan malaria – longer than the two-day (tertian) intervals of the other malarial parasites.

Malaria has been recognized since the Greek and Roman civilizations over 2,000 years ago, with different patterns of fever described by the early Greeks.[2] In 1880, Alphonse Laveran discovered that the causative agent of malaria is a parasite.[2] Detailed work of Golgi in 1886 demonstrated that in some patients there was a relationship between the 72-hour life cycle of the parasite and the chill and fever patterns in the patient.[2] The same observation was found for

Each year, approximately 500 million people will be infected with malaria worldwide[3] Of those infected, roughly two million will die from the disease.[4] Malaria is caused by six Plasmodium species: Plasmodium falciparumPlasmodium vivaxPlasmodium ovale curtisiPlasmodium ovale wallikeri, Plasmodium malariae and Plasmodium knowlesi.[2] At any one time, an estimated 300 million people are said to be infected with at least one of these Plasmodium species and so there is a great need for the development of effective treatments for decreasing the yearly mortality and morbidity rates.[5]

Geographical areas of malaria transmission

P. malariae is the one of the least studied of the six species that infect humans, in part because of its low prevalence and milder clinical manifestations compared to the other species. It is widespread throughout sub-Saharan Africa, much of southeast Asia, Indonesia, on many of the islands of the western Pacific and in areas of the Amazon Basin of South America.[4] In endemic regions, prevalence ranges from less than 4% to more than 20%,[6] but there is evidence that P. malariae infections are vastly underreported.[7]

parasites with 48-hour cycles.[2] Golgi concluded that there must be more than one species of malaria parasite responsible for these different patterns of infection.[2]

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