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Plasmodium vivax is a protozoal parasite and a human pathogen.This parasite is the most frequent and widely distributed cause of recurring malaria. [2] Although it is less virulent than Plasmodium falciparum, the deadliest of the five human malaria parasites, P. vivax malaria infections can lead to severe disease and death, often due to splenomegaly (a pathologically enlarged spleen).
Schüffner's dots refers to a hematological finding that is associated with malaria, [1] exclusively found in infections caused by Plasmodium ovale or Plasmodium vivax. [ 2 ] Plasmodium vivax induces morphologic alterations in infected host erythrocytes that are visible by light microscopy in Romanowsky-stained blood smears as multiple brick ...
Two related viruses, MaRNAV-1 and MaRNAV-2 in Plasmodium vivax and in avian Leucocytozoon respectively, were found through RNA-Sequencing of blood. The finding of a virus infecting a human malaria plasmodium is a first discovery of its kind. It should lead to better understanding of malaria biology. [344]
Plasmodium is a eukaryote but with unusual features. The genus Plasmodium consists of all eukaryotes in the phylum Apicomplexa that both undergo the asexual replication process of merogony inside host red blood cells and produce the crystalline pigment hemozoin as a byproduct of digesting host hemoglobin. [2]
The causative species is Plasmodium falciparum: there is no evidence for the presence of Plasmodium vivax. Blood grouping revealed an absence of both Fy(a) and Fy(b) antigens in two areas and a low prevalence in two others. [52] In the Yemenite Jews the frequency of the Fy allele is 0.5879. [53]
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.
P. vivax is also known to infect orangutans [20] and the brown howler monkey (Alouatta guariba clamitans) [10] P. vivax has been reported from chimpanzees living in the wild. [13] It has been suggested that vivax infection of the great apes in Africa may act as a reservoir given the prevalence of Duffy antigen negative humans in this area. [21 ...
Specifically it is used for malaria due to Plasmodium vivax and Plasmodium ovale along with other medications and for prevention if other options cannot be used. [2] It is an alternative treatment for Pneumocystis pneumonia together with clindamycin. [2] [3] It is taken by mouth. [2] Common side effects include nausea, vomiting, and stomach cramps.