Evidence map›Paper›PMID 32883976›Full record

ArticleScientific reports2020

Emergence of behavioural avoidance strategies of malaria vectors in areas of high LLIN coverage in Tanzania.

K S Kreppel, M Viana, B J Main, P C D Johnson, N J Govella, Y Lee, D Maliti, F C Meza, G C Lanzaro, H M Ferguson

Abstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing 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

66 citing papers in PubMed.

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6 more citing papers are in PubMed but not listed here.

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

10 authors.

K S KreppelInstitute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK. katharina.kreppel@nm-aist.ac.tz.
M VianaInstitute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK.
B J MainFlorida Medical Entomology Laboratory, University of Florida, Vero Beach, FL, 32962, USA.
P C D JohnsonInstitute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK.
N J GovellaEnvironmental Health and Ecological Sciences Department, Ifakara Health Institute, Dar-es-Salaam, Tanzania.
Y LeeFlorida Medical Entomology Laboratory, University of Florida, Vero Beach, FL, 32962, USA.
D MalitiNational Vector-Borne Diseases Control Program, Environmental Health Department, P.O. Box 29, Oshakati, Namibia.
F C MezaEnvironmental Health and Ecological Sciences Department, Ifakara Health Institute, Dar-es-Salaam, Tanzania.
G C LanzaroVector Genetics Laboratory, Department of Pathology, Microbiology, and Immunology, School of Veterinary Medicine, University of California-Davis, Davis, CA, 95616, USA.
H M FergusonInstitute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, UK.

Funding

Ecological and genetic determinants of malaria transmitting behaviors in the AfriR01AI085175 · NIAID · UNIVERSITY OF CALIFORNIA AT DAVIS · PI LANZARO, GREGORY C. · 2011 to 2015
$2.5M
EPA EP-C-15-008Medical Research Council MR/N015320/1NIAID NIH HHS R01 AI085175UK Medical Research Council and Department for International Development MR/N015320/1
6 · The paper itself

Abstract

Despite significant reductions in malaria transmission across Africa since 2000, progress is stalling. This has been attributed to the development of insecticide resistance and behavioural adaptations in malaria vectors. Whilst insecticide resistance has been widely investigated, there is poorer understanding of the emergence, dynamics and impact of mosquito behavioural adaptations. We conducted a longitudinal investigation of malaria vector host choice over 3 years and resting behaviour over 4 years following a mass long-lasting insecticidal nets (LLINs) distribution in Tanzania. By pairing observations of mosquito ecology with environmental monitoring, we quantified longitudinal shifts in host-choice and resting behaviour that are consistent with adaptation to evade LLINs. The density of An. funestus s.l., declined significantly through time. In tandem, An. arabiensis and An. funestus s.l. exhibited an increased rate of outdoor relative to indoor resting; with An. arabiensis reducing the proportion of blood meals taken from humans in favour of cattle. By accounting for environmental variation, this study detected clear evidence of intra-specific shifts in mosquito behaviour that could be obscured in shorter-term or temporally-coarse surveys. This highlights the importance of mosquito behavioural adaptations to vector control, and the value of longer-term behavioural studies.

Indexed as

AnimalsAnophelesCattleHumansInsecticide ResistanceInsecticidesInsecticide-Treated BednetsMalariaMosquito ControlMosquito VectorsTanzaniaInsecticides

Identifiers

PMID32883976
PMCPMC7471940

What OpenQuestion holds

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Registered trials

None linked

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.