Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda

Abstract Background As part of malaria prevention and control efforts, the distribution and density of malaria mosquitoes requires continuous monitoring. Resources for long-term surveillance of malaria vectors, however, are often limited. The aim of the research was to evaluate the value of citizen...

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Autores principales:	Marilyn Milumbu Murindahabi, Arash Hoseni, L. C. Corné Vreugdenhil, Arnold J. H. van Vliet, Jackie Umupfasoni, Alphonse Mutabazi, Emmanuel Hakizimana, P. Marijn Poortvliet, Leon Mutesa, Willem Takken, Constantianus J. M. Koenraadt
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Citizen science Environmental risk factors Malaria Perceived mosquito nuisance Rwanda Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216
Acceso en línea:	https://doaj.org/article/4315173d52eb4d1db098192f00d2a5c5
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spelling	oai:doaj.org-article:4315173d52eb4d1db098192f00d2a5c52021-12-05T12:21:34ZCitizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda10.1186/s12936-021-03989-41475-2875https://doaj.org/article/4315173d52eb4d1db098192f00d2a5c52021-12-01T00:00:00Zhttps://doi.org/10.1186/s12936-021-03989-4https://doaj.org/toc/1475-2875Abstract Background As part of malaria prevention and control efforts, the distribution and density of malaria mosquitoes requires continuous monitoring. Resources for long-term surveillance of malaria vectors, however, are often limited. The aim of the research was to evaluate the value of citizen science in providing insight into potential malaria vector hotspots and other malaria relevant information, and to determine predictors of malaria vector abundance in a region where routine mosquito monitoring has not been established to support vector surveillance. Methods A 1-year citizen science programme for malaria mosquito surveillance was implemented in five villages of the Ruhuha sector in Bugesera district, Rwanda. In total, 112 volunteer citizens were enrolled and reported monthly data on mosquitoes collected in their peridomestic environment using handmade carbon-dioxide baited traps. Additionally, they reported mosquito nuisance experienced as well as the number of confirmed malaria cases in their household. Results In total, 3793 female mosquitoes were collected, of which 10.8% were anophelines. For the entire period, 16% of the volunteers reported having at least one confirmed malaria case per month, but this varied by village and month. During the study year 66% of the households reported at least one malaria case. From a sector perspective, a higher mosquito and malaria vector abundance was observed in the two villages in the south of the study area. The findings revealed significant positive correlations among nuisance reported and confirmed malaria cases, and also between total number of Culicidae and confirmed malaria cases, but not between the numbers of the malaria vector Anopheles gambiae and malaria cases. At the sector level, of thirteen geographical risk factors considered for inclusion in multiple regression, distance to the river network and elevation played a role in explaining mosquito and malaria mosquito abundance. Conclusions The study demonstrates that a citizen science approach can contribute to mosquito monitoring, and can help to identify areas that, in view of limited resources for control, are at higher risk of malaria.Marilyn Milumbu MurindahabiArash HoseniL. C. Corné VreugdenhilArnold J. H. van VlietJackie UmupfasoniAlphonse MutabaziEmmanuel HakizimanaP. Marijn PoortvlietLeon MutesaWillem TakkenConstantianus J. M. KoenraadtBMCarticleCitizen scienceEnvironmental risk factorsMalariaPerceived mosquito nuisanceRwandaArctic medicine. Tropical medicineRC955-962Infectious and parasitic diseasesRC109-216ENMalaria Journal, Vol 20, Iss 1, Pp 1-18 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Citizen science Environmental risk factors Malaria Perceived mosquito nuisance Rwanda Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216
spellingShingle	Citizen science Environmental risk factors Malaria Perceived mosquito nuisance Rwanda Arctic medicine. Tropical medicine RC955-962 Infectious and parasitic diseases RC109-216 Marilyn Milumbu Murindahabi Arash Hoseni L. C. Corné Vreugdenhil Arnold J. H. van Vliet Jackie Umupfasoni Alphonse Mutabazi Emmanuel Hakizimana P. Marijn Poortvliet Leon Mutesa Willem Takken Constantianus J. M. Koenraadt Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda
description	Abstract Background As part of malaria prevention and control efforts, the distribution and density of malaria mosquitoes requires continuous monitoring. Resources for long-term surveillance of malaria vectors, however, are often limited. The aim of the research was to evaluate the value of citizen science in providing insight into potential malaria vector hotspots and other malaria relevant information, and to determine predictors of malaria vector abundance in a region where routine mosquito monitoring has not been established to support vector surveillance. Methods A 1-year citizen science programme for malaria mosquito surveillance was implemented in five villages of the Ruhuha sector in Bugesera district, Rwanda. In total, 112 volunteer citizens were enrolled and reported monthly data on mosquitoes collected in their peridomestic environment using handmade carbon-dioxide baited traps. Additionally, they reported mosquito nuisance experienced as well as the number of confirmed malaria cases in their household. Results In total, 3793 female mosquitoes were collected, of which 10.8% were anophelines. For the entire period, 16% of the volunteers reported having at least one confirmed malaria case per month, but this varied by village and month. During the study year 66% of the households reported at least one malaria case. From a sector perspective, a higher mosquito and malaria vector abundance was observed in the two villages in the south of the study area. The findings revealed significant positive correlations among nuisance reported and confirmed malaria cases, and also between total number of Culicidae and confirmed malaria cases, but not between the numbers of the malaria vector Anopheles gambiae and malaria cases. At the sector level, of thirteen geographical risk factors considered for inclusion in multiple regression, distance to the river network and elevation played a role in explaining mosquito and malaria mosquito abundance. Conclusions The study demonstrates that a citizen science approach can contribute to mosquito monitoring, and can help to identify areas that, in view of limited resources for control, are at higher risk of malaria.
format	article
author	Marilyn Milumbu Murindahabi Arash Hoseni L. C. Corné Vreugdenhil Arnold J. H. van Vliet Jackie Umupfasoni Alphonse Mutabazi Emmanuel Hakizimana P. Marijn Poortvliet Leon Mutesa Willem Takken Constantianus J. M. Koenraadt
author_facet	Marilyn Milumbu Murindahabi Arash Hoseni L. C. Corné Vreugdenhil Arnold J. H. van Vliet Jackie Umupfasoni Alphonse Mutabazi Emmanuel Hakizimana P. Marijn Poortvliet Leon Mutesa Willem Takken Constantianus J. M. Koenraadt
author_sort	Marilyn Milumbu Murindahabi
title	Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda
title_short	Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda
title_full	Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda
title_fullStr	Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda
title_full_unstemmed	Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda
title_sort	citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in ruhuha, rwanda
publisher	BMC
publishDate	2021
url	https://doaj.org/article/4315173d52eb4d1db098192f00d2a5c5
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Citizen science for monitoring the spatial and temporal dynamics of malaria vectors in relation to environmental risk factors in Ruhuha, Rwanda

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