Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
Micro-epidemiology and spatial heterogeneity of P. vivax parasitaemia in riverine communities of the Peruvian Amazon: A multilevel analysis
Scientific Reports, Volume 7, No. 1, Article 8082, Year 2017
Notification
URL copied to clipboard!
Description
Malaria has steadily increased in the Peruvian Amazon over the last five years. This study aimed to determine the parasite prevalence and micro-geographical heterogeneity of Plasmodium vivax parasitaemia in communities of the Peruvian Amazon. Four cross-sectional active case detection surveys were conducted between May and July 2015 in four riverine communities in Mazan district. Analysis of 2785 samples of 820 individuals nested within 154 households for Plasmodium parasitaemia was carried out using light microscopy and qPCR. The spatio-temporal distribution of Plasmodium parasitaemia, dominated by P. vivax, was shown to cluster at both household and community levels. Of enrolled individuals, 47% had at least one P. vivax parasitaemia and 10% P. falciparum, by qPCR, both of which were predominantly sub-microscopic and asymptomatic. Spatial analysis detected significant clustering in three communities. Our findings showed that communities at small-to-moderate spatial scales differed in P. vivax parasite prevalence, and multilevel Poisson regression models showed that such differences were influenced by factors such as age, education, and location of households within high-risk clusters, as well as factors linked to a local micro-geographic context, such as travel and occupation. Complex transmission patterns were found to be related to human mobility among communities in the same micro-basin. © 2017 The Author(s).
Available Materials
https://efashare.b-cdn.net/share/pmc/articles/PMC5556029/bin/41598_2017_7818_MOESM1_ESM.pdf
Authors & Co-Authors
Carrasco-Escobar, Gabriel
Peru, Lima
Universidad Peruana Cayetano Heredia
Gamboa Vilela, Dionicia V.
Peru, Lima
Universidad Peruana Cayetano Heredia
Castro, Marcia Caldas
United States, Boston
Harvard T.h. Chan School of Public Health
Bangdiwala, Shrikant I.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Canada, Hamilton
Mcmaster University
Rodrıguez-Ferrucci, Hugo
Unknown Affiliation
Contreras-Mancilla, Juan
Peru, Lima
Universidad Peruana Cayetano Heredia
Alava, Freddy F.
Unknown Affiliation
Speybroeck, Niko
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Lescano, Andrés Guillermo
Peru, Lima
Universidad Peruana Cayetano Heredia
Vinetz, Joseph M.
Peru, Lima
Universidad Peruana Cayetano Heredia
United States, La Jolla
Uc San Diego School of Medicine
Rosas-Aguirre, Angel
Peru, Lima
Universidad Peruana Cayetano Heredia
Belgium, Louvain-la-neuve
Université Catholique de Louvain
Llanos-Cuentas, E. Alejandro
Peru, Lima
Universidad Peruana Cayetano Heredia
Statistics
Citations: 32
Authors: 12
Affiliations: 6
Identifiers
Doi:
10.1038/s41598-017-07818-0
ISSN:
20452322
Research Areas
Genetics And Genomics
Infectious Diseases
Study Design
Cross Sectional Study