Distribution and larval breeding habitats of Aedes mosquito species in residential areas of northwest Ethiopia

Getachew Ferede; Moges Tiruneh; Ebba Abate; Wondmeneh Jemberie Kassa; Yitayih Wondimeneh; Demekech Damtie; Belay Tessema

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자료유형: 학술저널

저자정보: Getachew Ferede (Department of Medical Microbiology University of Gondar) Moges Tiruneh (Department of Medical Microbiology University of Gondar) Ebba Abate (Ethiopian Public Health Institute) Wondmeneh Jemberie Kassa (Department of Biology University of Gondar) Yitayih Wondimeneh (Department of Medical Microbiology University of Gondar) Demekech Damtie (Armauer Hansen Research Institute) Belay Tessema (Department of Medical Microbiology University of Gondar)

저널정보: 한국역학회 Epidemiology and Health Epidemiology and Health Vol.40

발행연도: 2018.1

수록면: 1 - 7 (7page)

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OBJECTIVES: The Aedes mosquito is a vector for transmitting many arboviruses. Knowledge of the breeding habitat of this vector is vital for implementing appropriate interventions. Thus, this study was conducted to determine the breeding habitats and presence of Aedes mosquito species in the study areas. METHODS: A house-to-house cross-sectional survey of Aedes mosquito breeding habitats was carried out in Metema and Humera, Ethiopia, in August 2017. All available water-holding containers present in and around houses were inspected for the presence of immature stages of Aedes mosquitoes, and they were collected and reared to the adult stage for species identification. In the larval survey, the house index, container index, and Breteau index were computed as risk indices. RESULTS: Of the 384 houses surveyed for the presence of Aedes mosquito larval breeding, 98 were found to be positive for larvae. During the survey, a total of 566 containers were inspected, of which 186 were found to be infested with Aedes mosquito larvae, with a container index of 32.9, a house index of 25.5, and a Breteau index of 48.4. The most common Aedes mosquito breeding habitats were discarded tires (57.5%), followed by mud pots (30.0%). Of the 1,077 larvae and pupae collected and reared, Aedes aegypti (49.3%), Ae. vittatus (6.5%), and Culex species (44.2%) were identified. CONCLUSIONS: Discarded tires were the most preferred breeding habitats for Aedes mosquitoes. Moreover, Ae. aegypti, the main vector of dengue and other arboviruses, was identified for the first time in this region, suggesting a high potential for arbovirus transmission in the study areas.

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