Koepfli, Cristian and Ross, Amanda and Kiniboro, Benson and Smith, Thomas A. and Zimmerman, Peter A. and Siba, Peter and Mueller, Ivo and Felger, Ingrid. (2011) Multiplicity and Diversity of Plasmodium vivax Infections in a Highly Endemic Region in Papua New Guinea. PLoS Neglected Tropical Diseases, 5 (12). e1424.
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Official URL: http://edoc.unibas.ch/dok/A6002280
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Abstract
Plasmodium vivax is highly endemic in the lowlands of Papua New Guinea and accounts for a large proportion of the malaria cases in children less than 5 years of age. We collected 2117 blood samples at 2-monthly intervals from a cohort of 268 children aged 1 to 4.5 years and estimated the diversity and multiplicity of P. vivax infection. All P. vivax clones were genotyped using the merozoite surface protein 1 F3 fragment (msp1F3) and the microsatellite MS16 as molecular markers. High diversity was observed with msp1F3 (HE = 88.1%) and MS16 (HE = 97.8%). Of the 1162 P. vivax positive samples, 74% harbored multi-clone infections with a mean multiplicity of 2.7 (IQR = 1–3). The multiplicity of P. vivax infection increased slightly with age (P = 0.02), with the strongest increase in very young children. Intensified efforts to control malaria can benefit from knowledge of the diversity and MOI both for assessing the endemic situation and monitoring the effects of interventions.
Faculties and Departments: | 09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Former Units within Swiss TPH > Molecular Diagnostics (Felger) 09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Former Units within Swiss TPH > Molecular Parasitology and Epidemiology (Beck) |
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UniBasel Contributors: | Felger, Ingrid and Smith, Thomas A. and Köpfli, Christian |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
Publisher: | Public Library of Science |
ISSN: | 1935-2727 |
e-ISSN: | 1935-2735 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Identification Number: |
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Last Modified: | 11 Feb 2019 15:56 |
Deposited On: | 08 Nov 2012 16:13 |
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