ArticleMalaria journal2024
Anopheles arabiensis continues to be the primary vector of Plasmodium falciparum after decades of malaria control in southwestern Ethiopia.
Article in Malaria journal, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- Epidemiological insights and genetic diversity of the Duffy binding protein of Plasmodium vivax in Duffy-negative Cameroonians.PLoS neglected tropical diseases · 2026Article
- Effects of chilling, fluorescent dust marking, and X-ray irradiation on the quality of male Anopheles arabiensis for sterile insect technique applications.Scientific reports · 2026Article
- A six years trend analysis of malaria prevalence in Central Ethiopia Region.Malaria journal · 2026Article
- Molecular xenomonitoring for identifying Plasmodium parasites and blood meal sources of mosquitoes in malaria endemic villages adjacent to the southern Rift Valley Lakes, South Ethiopia.Scientific reports · 2026Article
- Spatial and temporal signatures of genomic insecticide resistance in the Anopheles arabiensis mosquito malaria vector from Ethiopia.Research square · 2026Article
- Evaluation of MTego and BG-Sentinel traps for malaria and arbovirus vector surveillance in Cabo Verde.PLOS global public health · 2026Article
- Ethnobotanical study of plants used for traditional control of mosquitoes and other arthropod pests in the Ghibe valley, southwest Ethiopia.Tropical medicine and health · 2025Article
- Human Blood Index ofJournal of tropical medicine · 2025Review
- Determinants of malaria infection among under five children in Gursum district of Somali region, Eastern Ethiopia.Malaria journal · 2024Article
- Feeding habits and malaria parasite infection of Anopheles mosquitoes in selected agroecological areas of Northwestern Ethiopia.Parasites & vectors · 2024Article
- Prevalence of malaria and associated risk factors among household members in South Ethiopia: a multi-site cross-sectional study.Malaria journal · 2024Article
- Spatial, temporal, and spatiotemporal cluster detection of malaria incidence in Southwest Ethiopia.Frontiers in public health · 2024Article
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Abstract
backgroundInvestigating the species distribution and their role in malaria transmission is important as it varies from place to place and is highly needed to design interventions appropriate to the site. The current study aimed to investigate the Anopheles mosquito species distribution and their infection rate in southwestern Ethiopia.
methodsThe study was conducted in 14 malaria-endemic kebeles (the smallest administrative unit), which were situated in eight different malaria-endemic districts and four zones in southwestern Ethiopia. Ten per cent of households in each village were visited to collect adult mosquitoes using Centers for Disease Control and Prevention (CDC) light traps. The larval and pupal collection was done from breeding sites within the villages, and reared to adults. Female mosquitoes were morphologically identified. The head and thorax of adult Anopheles mosquitoes were tested for circumsporozoite proteins (CSPs) using ELISA. At the same time, legs, wings, and abdomen were used to identify sibling species using PCR targeting the rDNA intergenic spacers region for species typing of the Anopheles funestus group and the internal transcribed spacer 2 region genes for Anopheles gambiae complex.
resultsA total of 1445 Anopheles mosquitoes comprising eight species were collected. Of 813 An. gambiae complex tested by PCR, 785 (97%) were Anopheles arabiensis, and the remaining 28 (3%) were not amplified. There were 133 An. funestus group captured and tested to identify the species, of which 117 (88%) were positive for Anopheles parensis, and 15 (11%) were not amplified. A single specimen (1%) showed a band with a different base pair length from the known An. funestus group species. Sequencing revealed this was Anopheles sergentii. Among 1399 Anopheles tested for CSPs by ELISA, 5 (0.4%) An. arabiensis were positive for Plasmodium falciparum and a single (0.07%) was positive for Plasmodium vivax.
conclusionsAnopheles arabiensis continues to play the principal role in malaria transmission despite implementing indoor-based interventions for decades. Sequencing results suggest that An. sergentii was amplified by the An. funestus group primer, producing PCR amplicon size of different length. Therefore, relying solely on amplifying a specific gene of interest in grouping species could be misleading, as different species may share the same gene.
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