ArticleTropical medicine and health2022
Aedes aegypti abundance, larval indices and risk for dengue virus transmission in Kinondoni district, Tanzania.
Article in Tropical medicine and health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 25 citations in OpenAlex.
- High-resolution automated mapping of potential Aedes larval container habitats using drone imagery and supervised machine learning in Dar es Salaam, Tanzania.PLoS neglected tropical diseases · 2026Article
- Molecular detection of dengue virus serotype-3 from wild-caught Aedes aegypti across arboviral endemic regions of Ethiopia.BMC infectious diseases · 2025Article
- Influence of climatic and land use factors on post-monsoon distribution of Aedes mosquito vectors in Udupi taluk.Scientific reports · 2025Observational
- Non-malarial etiology of acute febrile episodes in children attending five healthcare facilities in Mwanza, Tanzania years 2020-2021.Scientific reports · 2025Article
- Physical and chemical characteristics of Aedes larval habitats in Metema District, Northwest, Ethiopia.BMC ecology and evolution · 2025Article
- Resting habitat, blood meal source and viral infection rate of Aedes aegypti (Diptera: Culicidae) in the Southern Afar Region of Ethiopia.BMC infectious diseases · 2025Article
- Geospatial modeling of geographical spread of Aedes species, in relation to climatic and topographical factors in Lagos State, Nigeria.PLoS neglected tropical diseases · 2025Article
- Characterization of population connectivity for enhanced cross-border surveillance of yellow fever at Mutukula and Namanga borders in Tanzania.IJID regions · 2024Article
- Dengue virus transmission during non-outbreak period in Dar Es Salaam, Tanzania: a cross-sectional survey.BMC infectious diseases · 2024Article
- Article
- Sampling efficiency and screening ofThe Pan African medical journal · 2024Article
- Article
- Prevalence and Associated Factors of Dengue Virus Circulation in the Rural Community, Handeni District in Tanga, Tanzania.Journal of tropical medicine · 2023Article
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Authors and funding
9 authors at 5 institutions in 1 country.
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Abstract
backgroundTanzania has experienced periodic dengue outbreaks with increased incidence since 2010. However, there is limited information on vector dynamics and transmission risk in most parts of the country. This study was conducted to determine Aedes mosquito abundance, larval indices and dengue virus infection rate as risk indicators for DENV transmission in Kinondoni district, Dar es Salaam, Tanzania.
methodsA cross-sectional study was conducted in three wards of Kinondoni district in Tanzania between December 2019 and January 2020. In each ward, three streets were randomly selected for adult and immature mosquito sampling. The adult mosquitoes were collected using Mosquito Magnet traps, while mosquito larvae and pupae were inspected in water-holding containers in the selected household compounds. The detection of dengue virus (DENV) in female Aedes mosquitoes was done using a one-step reverse transcription-polymerase chain reaction (RT-PCR) method.
resultsOf the 1416 adult female mosquitoes collected, Ae. aegypti accounted for 16.8% (n = 238). A total of 333 water-holding containers were inspected and 201 (60.4%) had at least an Aedes larvae or pupae. Water-holding containers supporting the breeding of Aedes larvae and pupae included discarded car tires, flowerpots and small and large plastic containers. The overall House Index, Container Index and Breteau Index were 55.1%, 60.4% and 114.2, respectively. None of the 763 female Aedes mosquitoes tested by RT-PCR was found to be infected with DENV.
conclusionThe presence and abundance Ae. aegypti mosquitoes and the large proportion of water-holding containers infested with the mosquito larvae and pupae put residents of Kinondoni district at high risk of DENV transmission. Our findings emphasize the need for continuous mosquito vector surveillance and control to prevent the possibility of future DENV outbreaks in Tanzania.
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