High entomological inoculation rate of malaria vectors in area of high coverage of interventions in southwest Ethiopia: Implication for residual malaria transmission

Parasite Epidemiology and Control
Misrak AbrahamBernt Lindtjørn

Abstract

In Ethiopia, vector control is the principal strategy to reduce the burden of malaria. The entomological indicators of malaria transmission such as density, sporozoite rate and entomological inoculation rate (EIR) are parameters used to assess the impact of the interventions and the intensity of malaria transmission. The susceptibility of malaria vectors also determines the effectiveness of insecticide based vector control tools. Hence, the aim of the study was to assess the species composition, sporozoite rate and EIR, and insecticide susceptibility status of malaria vectors. 33 houses (18 for Centre for Disease Control and Prevention (CDC) light traps and 15 for exit traps) were randomly selected to sample Anopheles mosquitoes from October 2015 to May 2016. Plasmodium circum-sporozoite proteins (CSPs) of An. arabiensis and An. pharoensis were determined using Enzyme-Linked Immuno-Sorbent Assay (ELISA). Five Anopheles species were identified from CDC Light traps and exit traps. An. arabiensis (80.2%) was the predominant species, followed by An. pharoensis (18.5%). An. pretoriensis, An. tenebrosus and An. rhodesiensis were documented in small numbers. 1056 Anopheles mosquitoes were tested for CSPs. Of which nine (eight An. arab...Continue Reading

Citations

Dec 10, 2019·Bulletin of Entomological Research·Nitika PradhanRupenangshu K Hazra
Apr 4, 2019·Malaria Journal·Patric Stephane EpopaAbdoulaye Diabate
Jul 6, 2020·The Science of the Total Environment·Simbarashe GovereErmson Z Nyakatawa
Oct 15, 2020·PLoS Neglected Tropical Diseases·Thais Bonifácio CampolinaNagila Francinete Costa Secundino
Jun 11, 2021·Malaria Journal·Betelehem WondwosenRickard Ignell
Oct 9, 2021·Parasites & Vectors·Werissaw HaileselassieDelenasaw Yewhalaw

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Methods Mentioned

BETA
dissecting
Assay
ELISA
light trap

Software Mentioned

SPSS® Statistics

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