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Malaria hotspots explained from the perspective of ecological theory underlying insect foraging

Debebe, Yared and Hill, Sharon and Tekie, Habte and Dugassa, Sisay and Hopkins, Richard J. and Ignell, Rickard (2020). Malaria hotspots explained from the perspective of ecological theory underlying insect foraging. Scientific Reports. 10 , 21449
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Abstract

Hotspots constitute the major reservoir for residual malaria transmission, with higher malaria incidence than neighbouring areas, and therefore, have the potential to form the cornerstone for successful intervention strategies. Detection of malaria hotspots is hampered by their heterogenous spatial distribution, and the laborious nature and low sensitivity of the current methods used to assess transmission intensity. We adopt ecological theory underlying foraging in herbivorous insects to vector mosquito host seeking and modelling of fine-scale landscape features at the village level. The overall effect of environmental variables on the density of indoor mosquitoes, sporozoite infected mosquitoes, and malaria incidence, was determined using generalized linear models. Spatial analyses were used to identify hotspots for malaria incidence, as well as malaria vector density and associated sporozoite prevalence. We identify household occupancy and location as the main predictors of vector density, entomological inoculation rate and malaria incidence. We propose that the use of conventional vector control and malaria interventions, integrated with their intensified application targeting predicted hotspots, can be used to reduce malaria incidence in endemic and residual malaria settings.

Authors/Creators:Debebe, Yared and Hill, Sharon and Tekie, Habte and Dugassa, Sisay and Hopkins, Richard J. and Ignell, Rickard
Title:Malaria hotspots explained from the perspective of ecological theory underlying insect foraging
Series Name/Journal:Scientific Reports
Year of publishing :2020
Volume:10
Article number:21449
Number of Pages:10
ISSN:2045-2322
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 3 Medical and Health Sciences > 301 Basic Medicine > Microbiology in the medical area
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Zoology
URN:NBN:urn:nbn:se:slu:epsilon-p-109453
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-109453
Additional ID:
Type of IDID
DOI10.1038/s41598-020-78021-x
Web of Science (WoS)000600132400053
ID Code:21741
Faculty:LTV - Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap
Department:(LTJ, LTV) > Department of Plant Protection Biology
Deposited By: SLUpub Connector
Deposited On:26 Jan 2021 08:43
Metadata Last Modified:26 Jan 2021 08:51

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