Evidence map›Paper›PMID 33906225›Full record

ArticleThe Journal of infectious diseases2021

Integrating Parasitological and Entomological Observations to Understand Malaria Transmission in Riverine Villages in the Peruvian Amazon.

Angel Rosas-Aguirre, Marta Moreno, Diamantina Moreno-Gutierrez, Alejandro Llanos-Cuentas, Marlon Saavedra, Juan Contreras-Mancilla, Jose Barboza, Freddy Alava, Kristhian Aguirre, Gabriel Carrasco and 5 more

Abstract read
In one paragraph

Article in The Journal of infectious diseases, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed.

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  11. Epidemiological characteristics ofFrontiers in cellular and infection microbiology · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors.

Angel Rosas-AguirreResearch Institute of Health and Society, Université catholique de Louvain, Brussels, Belgium.
Marta MorenoDepartment of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom.
Diamantina Moreno-GutierrezResearch Institute of Health and Society, Université catholique de Louvain, Brussels, Belgium.
Alejandro Llanos-CuentasInstituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
Marlon SaavedraInternational Centers of Excellence for Malaria Research-Amazonia, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.
Juan Contreras-MancillaInternational Centers of Excellence for Malaria Research-Amazonia, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.
Jose BarbozaInternational Centers of Excellence for Malaria Research-Amazonia, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.
Freddy AlavaInternational Centers of Excellence for Malaria Research-Amazonia, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.
Kristhian AguirreInstituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
Gabriel CarrascoInstituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
Catharine PrussingSchool of Public Health, Department of Biomedical Sciences, State University of New York, Albany, New York, USA.
Joseph VinetzInstituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
Jan E ConnSchool of Public Health, Department of Biomedical Sciences, State University of New York, Albany, New York, USA.
Niko SpeybroeckResearch Institute of Health and Society, Université catholique de Louvain, Brussels, Belgium.
Dionicia GamboaInstituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.

Funding

Yale Clinical and Translational Science Award (U Component)UL1TR001863 · NCATS · YALE UNIVERSITY · PI John H. Krystal, LUCILA OHNO-MACHADO · 2016 to 2026
$102.9M
Sugar-feeding behavior of the malaria vector Nyssorhynchus darlingi and development of effective attractive toxic sugar baits (ATSB) to increase intervention success in PeruU19AI089681 · NIAID · YALE UNIVERSITY · PI CONN, JAN E · 2010 to 2023
$20.1M
Latitudinal Landscape Genomics and Ecology of Anopheles DarlingiR01AI110112 · NIAID · WADSWORTH CENTER · PI CONN, JAN E · 2014 to 2024
$3.7M
NCATS NIH HHS UL1 TR001863NIAID NIH HHS R01 AI110112NIAID NIH HHS U19 AI089681
6 · The paper itself

Abstract

backgroundRemote rural riverine villages account for most of the reported malaria cases in the Peruvian Amazon. As transmission decreases due to intensive standard control efforts, malaria strategies in these villages will need to be more focused and adapted to local epidemiology.

methodsBy integrating parasitological, entomological, and environmental observations between January 2016 and June 2017, we provided an in-depth characterization of malaria transmission dynamics in 4 riverine villages of the Mazan district, Loreto department.

resultsDespite variation across villages, malaria prevalence by polymerase chain reaction in March 2016 was high (>25% in 3 villages), caused by Plasmodium vivax mainly and composed of mostly submicroscopic infections. Housing without complete walls was the main malaria risk factor, while households close to forest edges were more commonly identified as spatial clusters of malaria prevalence. Villages in the basin of the Mazan River had a higher density of adult Anopheles darlingi mosquitoes, and retained higher prevalence and incidence rates compared to villages in the basin of the Napo River despite test-and-treat interventions.

conclusionsHigh heterogeneity in malaria transmission was found across and within riverine villages, resulting from interactions between the microgeographic landscape driving diverse conditions for vector development, housing structure, and human behavior.

Indexed as

Bites and StingsAdultAnimalsAnophelesHumansIncidenceInsect VectorsMalariaMosquito ControlMosquito VectorsPeruPlasmodium vivaxPolymerase Chain ReactionPrevalenceAmazonentomological inoculation rateheterogeneityhuman biting rateincidencemalariaPeruprevalencetransmission

Identifiers

PMID33906225
PMCPMC8079135

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.