نتایج جستجو برای: vivax
تعداد نتایج: 4808 فیلتر نتایج به سال:
INTRODUCTION Plasmodium vivax malaria has a wide geographic distribution and poses challenges to malaria elimination that are likely to be greater than those of P. falciparum. Diagnostic tools for P. vivax infection in non-reference laboratory settings are limited to microscopy and rapid diagnostic tests but these are unreliable at low parasitemia. The development and validation of a high-throu...
BACKGROUND When both parasite species are co-endemic, Plasmodium vivax incidence peaks in younger children compared to P. falciparum. To identify differences in the number of blood stage infections of these species and its potential link to acquisition of immunity, we have estimated the molecular force of blood-stage infection of P. vivax ((mol)FOB, i.e. the number of genetically distinct blood...
BACKGROUND Evidence of the presence of Plasmodium vivax in the placenta is scarce and inconclusive. This information is relevant to understanding whether P. vivax affects placental function and how it may contribute to poor pregnancy outcomes. METHODS Histopathologic examination of placental biopsies from 80 Papua New Guinean pregnant women was combined with quantitative polymerase chain reac...
Plasmodium vivax is the most widely distributed human parasite and the main cause of human malaria outside the African continent. However, the knowledge about the genetic variability of P. vivax is limited when compared to the information available for P. falciparum. We present the results of a study aimed at characterizing the genetic structure of P. vivax populations obtained from pregnant wo...
Neurological complications may occur with the Plasmodium falciparum infection. However, the association of neurological manifestations with vivax malaria remains doubtful. Of late, there are isolated case reports/studies which have implicated P. vivax in the pathogenesis of severe malaria which is characterized by the features of different organ dysfunctions, which were previously thought to be...
A non-human primate model for the induction of protective immunity against the pre-erythrocytic stages of Plasmodium vivax malaria using radiation-attenuated P. vivax sporozoites may help to characterize protective immune mechanisms and identify novel malaria vaccine candidates. Immune responses and protective efficacy induced by vaccination with irradiated P. vivax sporozoites were evaluated i...
Currently, there is a trend of an increasing number of Plasmodium vivax malaria cases in China that are imported across its Southeast Asia border, especially in the China-Myanmar border area (CMB). To date, little is known about the genetic diversity of P. vivax in this region. In this paper, we report the first genome sequencing of a P. vivax isolate (CMB-1) from a vivax malaria patient in CMB...
Plasmodium vivax (P. vivax) is one of the most important human malaria species that is geographically widely endemic and causes social and economic burden globally. However, its consequences have long been neglected and underestimated as it has been mistakenly considered a benign and inconsequential malaria species as compared to Plasmodium falciparum. One of the important differences between P...
To investigate the rosette formation properties of Plasmodium vivax, blood was sampled from 26 adult Thai patients admitted with acute P. vivax malaria and a predominance of trophozoite and schizont stages in their peripheral blood smears. In each case, P. vivax-infected cells formed spontaneous rosettes with two or more uninfected red blood cells. Rosette formation of P. vivax was dependent on...
Introduction: Malaria is one of the most important parasitic diseases in tropical and sub-tropical areas of the world and kills a large number of People annually. Diagnosis of the disease is preformed by microscopic and molecular methods. This study has been designed for detecting of latent/sub-patent infection caused by plasmodium vivax in individuals with history of vivax malaria without an...
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