Association between house characteristics, mosquito distribution and malaria transmission in the city of Yaounde, Cameroon

When

September 5, 2023

Time

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Event Summary

Our September AMMnet seminar featured presentations from two speakers: Carmène Sandra Ngadjeu and Getachew Teshome Tilahun. Carmène Sandra Ngadjeu described a project examining the relationship between house characteristics and vector abundance. After collecting data on house characteristics and indoor vector abundance in Yaoundé, Cameroon, they recorded higher densities of culicines mosquitoes in houses with holes in the walls or with eaves and lower densities in houses with screened windows and ITNs. In contrast, for anopheline mosquitoes, they found that the number of rooms and education level were inversely associated with indoor mosquito density.

Getachew Teshome Tilahun described modeling work his group has undertaken to examine malaria transmission in Ethiopia, with a focus on climate-dependent vector dynamics. They used a system of ODEs to model malaria infections in humans and mosquitoes, with dependence on rainfall and temperature. Several scenarios with different combinations of interventions were compared in a cost-effectiveness analysis. In addition, they conducted a sensitivity analyses to identify parameters that could have the largest influence on transmission.

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