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Plasmodium vivax

Short Report: Benign tertian malaria – a misnomer?

July 5, 2011 - 07:33 -- Kabogo Ndegwa
Author(s): 
Chanaveerappa Bammigatti, Sirish Shetty, Seema Shetty, and Ashwini Kumar
Reference: 
Trop Doct 2011;41:168-169

Plasmodium vivax usually causes an acute self-limiting febrile illness with fever spikes on every third day and no complications or death.

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Open Access | Dispatch: Plasmodium vivax Malaria among Military Personnel, French Guiana, 1998–2008

June 30, 2011 - 14:00 -- Patrick Sampao
Author(s): 
Benjamin Queyriaux, Gaëtan Texier, Xavier Deparis, et al.
Reference: 
EID Journal Home > Volume 17, Number 7–July 2011

We obtained health surveillance epidemiologic data on malaria among French military personnel deployed to French Guiana during 1998–2008. Incidence of Plasmodium vivax malaria increased and that of P. falciparum remained stable.

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Open Access | Why Is Plasmodium vivax a Neglected Tropical Disease?

June 30, 2011 - 07:30 -- Kabogo Ndegwa
Author(s): 
Jane M. Carlton, Barbara J. Sina, John H. Adams
Reference: 
PLoS Negl Trop Dis 5(6): e1160

Plasmodium vivax malaria is a debilitating, sometimes life-threatening, and economically repressive disease of many tropical and temperate countries outside Africa, and yet it is perceived as relatively benign.

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Open Access | Gestational malaria associated to Plasmodium vivax and Plasmodium falciparum placental mixed-infection followed by foetal loss: a case report from an unstable transmission area in Brazil

June 30, 2011 - 06:45 -- Kabogo Ndegwa
Author(s): 
Carvalho BO, Matsuda JS, Luz SL, Martinez-Espinosa FE, Leite JA, Franzin F, Orlandi PP, Gregoracci GB, Lacerda MV, Nogueira PA, Costa FT
Reference: 
Malaria Journal 2011, 10:178 (27 June 2011)

Gestational malaria is a multi-factorial syndrome leading to poor outcomes for both the mother and foetus.

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Open Access | Field trial of three different Plasmodium vivax-detecting rapid diagnostic tests with and without evaporative cool box storage in Afghanistan

June 23, 2011 - 14:08 -- Kabogo Ndegwa
Author(s): 
Mikhail AF, Leslie TJ, Mayan MI, Zekria R, Mohammad N, Hasanzai MA, Safi N, Whitty CJ, Rowland M
Reference: 
Malaria Journal 2011, 10:169 (22 June 2011)

Of the three RDTs, the CSPfPan test was the most consistent and reliable, rendering it appropriate for this P. vivax predominant region.

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Open Access | Duffy Negative Antigen Is No Longer a Barrier to Plasmodium vivax – Molecular Evidences from the African West Coast (Angola and Equatorial Guinea)

June 23, 2011 - 07:02 -- Kabogo Ndegwa
Author(s): 
Cristina Mendes, Fernanda Dias, Joana Figueiredo, Vicenta Gonzalez Mora, Jorge Cano, Bruno de Sousa, Virgílio E. do Rosário, Agustin Benito, Pedro Berzosa, Ana Paula Arez
Reference: 
PLoS Negl Trop Dis 5(6): e1192

In this study we demonstrated that P. vivax infections were found both in humans and mosquitoes, which means that active transmission is occurring.

Open Access | Adaptation of a visualized loop-mediated isothermal amplification technique for field detection of Plasmodium vivax infection

June 22, 2011 - 14:53 -- Patrick Sampao
Author(s): 
Zhi-Yong Tao, Hua-Yun Zhou, Qi Gao, et al.
Reference: 
Parasites & Vectors 2011, 4:115, 21 June 2011

In this study, we establish a novel visualized LAMP method in a closed-tube system, and validate it for the diagnosis of malaria under simulated field conditions.

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Plasmodium vivax malaria: Is it actually benign?

June 13, 2011 - 13:38 -- Patrick Sampao
Author(s): 
Harpal Singh, Ankit Parakh, Srikanta Basu, Bimbadarh Rath
Reference: 
Journal of Infection and Public Health, Volume 4, Issue 2, June 2011, Pages 91-95

Twenty-three patients of Pv malaria were retrospectively analyzed. Thrombocytopenia was present in 22 (96%) patients with counts less than 50,000/μL in 9 patients. Severe anemia (hgb < 5 mg/dl) was present in 8 (34%) patients. Cerebral malaria was present in 3 patients.

Open Access | Coma Associated with Microscopy-Diagnosed Plasmodium vivax: A Prospective Study in Papua, Indonesia

June 9, 2011 - 07:35 -- Kabogo Ndegwa
Author(s): 
Daniel A. Lampah, Tsin W. Yeo, Setiawan O. Hardianto, Emiliana Tjitra, Enny Kenangalem, Paulus Sugiarto, Ric N. Price, Nicholas M. Anstey
Reference: 
PLoS Negl Trop Dis 5(6): e1032

P. vivax-associated coma is rare, occurring 23 times less frequently than that seen with falciparum malaria, and is associated with a high proportion of non-malarial causes and mixed infections using PCR.

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Worldwide sequence conservation of transmission-blocking vaccine candidate Pvs230 in Plasmodium vivax

June 7, 2011 - 13:21 -- Patrick Sampao
Author(s): 
Masanori Doi, Kazuyuki Tanabe,Takafumi Tsuboi, et al.
Reference: 
Vaccine, Volume 29, Issue 26, 10 June 2011, Pages 4308-4315

To investigate whether Pvs230 can be a vivax malaria transmission-blocking vaccine, we performed evolutionary and population genetic analysis of the Pvs230 gene (pvs230: PVX_003905).

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