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Measuring ventilation in different typologies of rural Gambian houses: a pilot experimental study

August 4, 2020 - 15:48 -- Open Access
Author(s): 
Jakob B. Knudsen, Margaret Pinder, Ebrima Jatta, Musa Jawara, Mahamed A. Yousuf, Amalie T. Søndergaard and Steve W. Lindsay
Reference: 
Malaria Journal 2020 19:273, 31 July 2020

African houses are frequently too hot and uncomfortable to use a bed net at night. Indoor thermal comfort is often evaluated by measuring temperature and humidity, ignoring ventilation. This study explored ways to measure ventilation in single-roomed rural Gambian houses during the malaria transmission season and evaluated building designs that could increase airflow at night and help keep the occupants comfortable.

Semi-field evaluation of the cumulative effects of a “Lethal House Lure” on malaria mosquito mortality

September 10, 2019 - 15:17 -- Open Access
Author(s): 
Antoine M. G. Barreaux, Welbeck A. Oumbouke, Innocent Zran Tia, N’guessan Brou, Alphonsine A. Koffi, Raphaël N’guessan and Matthew B. Thomas
Reference: 
Malaria Journal 2019 18:298, 30 August 2019

There is growing interest in the potential to modify houses to target mosquitoes with insecticides or repellents as they search for human hosts. One version of this ‘Lethal House Lure’ approach is the In2Care® EaveTube, which consists of a section of polyvinyl chloride (PVC) pipe fitted into a closed eave, with an insert comprising electrostatic netting treated with insecticide powder placed inside the tube. Preliminary evidence suggests that when combined with screening of doors and windows, there is a reduction in entry of mosquitoes and an increase in mortality. However, the rate of overnight mortality remains unclear. The current study used a field enclosure built around experimental huts to investigate the mortality of cohorts of mosquitoes over multiple nights.

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