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Peru

Determinants of Anopheles Seasonal Distribution Patterns Across a Forest to Periurban Gradient near Iquitos, Peru

March 9, 2012 - 14:09 -- Patrick Sampao
Author(s): 
Drew D. Reinbold-Wasson, Michael R. Sardelis, Michael J. Turell, et al.
Reference: 
Am J Trop Med Hyg 2012 86:459-463

MalariaWorldThese data provide a better understanding of the taxonomy, population density, and seasonal and habitat distribution of potential malaria vectors within the Amazon Basin region.

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Open Access | Sexual recombination is a signature of a persisting malaria epidemic in Peru

November 2, 2011 - 09:20 -- Kabogo Ndegwa
Author(s): 
Sutton PL, Torres LP, Branch OH
Reference: 
Malaria Journal 2011, 10:329 (31 October 2011)

MalariaWorldContrary to conventional low transmission models, this study provides evidence of a parasite population structure that is superficially defined by a clonal backbone.

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Open Access | Plasmodium vivax Sub-Patent Infections after Radical Treatment Are Common in Peruvian Patients: Results of a 1-Year Prospective Cohort Study

February 2, 2011 - 07:10 -- Kabogo Ndegwa
Author(s): 
Peter Van den Eede, Veronica E. Soto-Calle, Christopher Delgado, Dionicia Gamboa, Tanilu Grande, Hugo Rodriguez, Alejandro Llanos-Cuentas, Jozef Anné, Umberto D'Alessandro, Annette Erhart
Reference: 
PLoS ONE 6(1): e16257

In Peru, the P. vivax recurrent infections were common and displayed a high turnover of parasite genotypes compared to day 0.

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Open Access | A Positive Correlation between Atypical Memory B Cells and Plasmodium falciparum Transmission Intensity in Cross-Sectional Studies in Peru and Mali

January 20, 2011 - 12:11 -- Kabogo Ndegwa
Author(s): 
Greta E. Weiss, Eva H. Clark, Shanping Li, Boubacar Traore, Kassoum Kayentao, Aissata Ongoiba, Jean N. Hernandez, Ogobara K. Doumbo, Susan K. Pierce, OraLee H. Branch, Peter D. Crompton
Reference: 
PLoS ONE 6(1): e15983

Compared to Pf-naive controls, atypical memory B cells were increased in Peruvian adults exposed to low Pf transmission, and further increased in Malian adults exposed to intense Pf transmission.

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Ethnopharmacological communication: Plants used by native Amazonian groups from the Nanay River (Peru) for the treatment of malaria

January 17, 2011 - 15:00 -- Patrick Sampao
Author(s): 
Lastenia Ruiz, Liliana Ruiz, Martha Maco, Marianela Cobos, Andréa-Luz Gutierrez-Choquevilca, Vincent Roumy
Reference: 
Journal of Ethnopharmacology, Volume 133, Issue 2, 27 January 2011, Pages 917-921

The results give scientific validation to the traditional medical knowledge of the Amerindian and Mestizo populations from Loreto and exhibit a source of potentially active plants.

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Adherence to 7-Day Primaquine Treatment for the Radical Cure of P. vivax in the Peruvian Amazon

June 9, 2010 - 08:09 -- Kabogo Ndegwa
Author(s): 
KP Grietens, V Soto, A Erhart, JM Ribera, E Toomer, A Tenorio, TG Montalvo, H Rodriguez, AL Cuentas, U D'Alessandro, D Gamboa
Reference: 
Am. J. Trop. Med. Hyg., 82(6), 2010, pp. 1017-1023

Despite being free of charge, treatment adherence to 7-day primaquine for the radical cure of Plasmodium vivax was estimated at 62.2% among patients along the Iquitos-Nauta road in the Peruvian Amazon.

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Open Access | Multilocus genotyping reveals high heterogeneity and strong local population structure of the Plasmodium vivax population in the Peruvian Amazon

June 7, 2010 - 12:16 -- Patrick Sampao
Author(s): 
Van den Eede P., Van der Auwera G., et al.
Reference: 
Malaria Journal 2010, 9:151 (3 June 2010)

Plasmodium vivax population structure was determined by multilocus genotyping with 16 microsatellites on 159 P. vivax infected blood samples (mono-infections) collected in four sites around Iquitos city.

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Risk of malaria transmission from fish ponds in the Peruvian Amazon

May 25, 2010 - 08:46 -- Kabogo Ndegwa
Author(s): 
Mathieu Maheu-Giroux, Martín Casapía, Veronica E. Soto-Calle, Lea Berrang Ford, David L. Buckeridge, Oliver T. Coomes, Theresa W. Gyorkos
Reference: 
Acta Tropica, Volume 115, Issues 1-2, July-August 2010, Pages 112-118

The association between fish pond density and malaria suggests that fish ponds contribute to malaria transmission in the region. These results have important implications for the prevention and control of malaria and the development of pisciculture as an important economic activity in Amazonia and beyond.

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Letters: Plasmodium falciparum ATP6 Not under Selection during Introduction of Artemisinin Combination Therapy in Peru

April 20, 2010 - 09:10 -- Kabogo Ndegwa
Author(s): 
Charles J. Woodrow, Leyla Y. Bustamante, David J. Bacon, and Venkatachalam Udhayakumar
Reference: 
Antimicrob. Agents Chemother., May 2010; 54: 2280 – 2281

No abstract available

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Open Access | Erratum: Dynamics of Malaria Drug Resistance Patterns in the Amazon Basin Region following Changes in Peruvian National Treatment Policy for Uncomplicated Malaria

April 20, 2010 - 08:47 -- Kabogo Ndegwa
Author(s): 
David J. Bacon, Andrea M. McCollum, Venkatachalam Udhayakumar,.et al
Reference: 
Antimicrobial Agents and Chemotherapy, May 2010, p. 2282, Vol. 54, No. 5

No abstract available

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