Efficacy of Actellic 300 CS-based indoor residual spraying on key entomological indicators of malaria transmission in Alibori and Donga, two regions of northern Benin

The current study shows the results of three years of IRS entomological monitoring (2016, before intervention; 2017 and 2018, after intervention) performed in Alibori and Donga, northern Benin. Mosquito collections were performed on a monthly basis using human landing catches and pyrethrum spray cat...

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Bibliographic Details
Published in:Parasites & vectors 2019-12, Vol.12 (1), p.612-612, Article 612
Main Authors: Salako, Albert Sourou, Dagnon, Fortune, Sovi, Arthur, Padonou, Gil Germain, Aïkpon, Rock, Ahogni, Idelphonse, Syme, Thomas, Govoétchan, Renaud, Sagbohan, Herman, Sominahouin, André Aimé, Akinro, Bruno, Iyikirenga, Laurent, Agossa, Fiacre, Akogbeto, Martin Codjo
Format: Article
Language:English
Subjects:
Actellic 300CS
Animals
Anopheles
Anopheles - drug effects
Anopheles - parasitology
Anopheles - physiology
Aquatic insects
Benin
Bioassays
Bites (Injuries)
Collections
Control
Disease transmission
Efficacy
Feeding habits
Female
Human diseases
Humans
Indicators
Inoculation
Insect bites
Insecticides
Insecticides - pharmacology
Intervention
IRS
Malaria
Malaria - parasitology
Malaria - transmission
Mortality
Mosquito Control - instrumentation
Mosquito Control - methods
Mosquito Vectors - drug effects
Mosquito Vectors - parasitology
Mosquito Vectors - physiology
Mosquitoes
Organothiophosphorus Compounds - pharmacology
Parity
Physiology
Plasmodium - genetics
Plasmodium - isolation & purification
Plasmodium - physiology
Reduction
Sleep
Spraying
Vector-borne diseases
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Summary:The current study shows the results of three years of IRS entomological monitoring (2016, before intervention; 2017 and 2018, after intervention) performed in Alibori and Donga, northern Benin. Mosquito collections were performed on a monthly basis using human landing catches and pyrethrum spray catches in six districts including four treated with Actellic 300 CS (Kandi, Gogounou, Djougou and Copargo) and two untreated (Bembèrèkè and Kouandé) which served as control sites. Key transmission indicators of Anopheles gambiae (s.l.) as well as the residual activity of Actellic 300 CS assessed through WHO cone tests, were determined. The residual efficacy duration of Actellic 300 CS after the two IRS campaigns (2017 and 2018) was 4-5 months (May-September). The parity rate and the sporozoite index of An. gambiae (s.l.) were 36.62% and 0.71%, respectively, after the first spray round in treated areas compared to 57.24% and 3.7%, respectively, in the control areas (P 
ISSN:1756-3305
1756-3305
DOI:10.1186/s13071-019-3865-1