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ASHRAE PSYCHROMETRIC CHART NO. 1 IN COLOR VIDEO WINDOWS
The new doors and windows were popular with residents. Ten weeks after installation the doors and windows were in good condition, although 38% of doors did not fully self-close and latch (snap shut). Seventy-nine percentage of door openings at night occurred from dusk to midnight, when malaria vectors begin entering houses. The indoor climate of houses with screened doors was similar to control houses. All prototype doors reduced the number of house-entering mosquitoes by 59–77% in comparison with the control houses. Each prototype self-closing screened door and window was installed in six and 12 units, respectively, with six unaltered units serving as controls. A baseline survey collected data on all the houses and discrete household units, each consisting of a front and back room, were selected and randomly allocated to the study arms. The protective efficacy of four prototype screened doors and two windows designs against mosquito house entry, their impact on indoor climate, as well as their use, durability and acceptability was assessed in a Gambian village. | 9 The Royal Danish Academy of Fine Arts, School of Architecture, Design and Conservation, The School of Architecture, Copenhagen, Denmarkĭespite compelling evidence that modern housing protects against malaria, houses in endemic areas are still commonly porous to mosquitoes.
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| 6 KEMRI-Wellcome Trust Research Programme, Kilifi, Kenya.| 5 Department of Infectious Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom.| 4 Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, Australia.| 3 Intellectual Ventures Global Good Fund, Bellevue, Washington.| 2 National Malaria Control Programme, Banjul, The Gambia.1 Medical Research Council Unit, The Gambia, London School of Hygiene and Tropical Medicine, Fajara, The Gambia.Burkot 3, 4, John Bradley 5, Victoria Hunt 3, Balla Kandeh 2, Caroline Jones 6, 7, Aji Matty Manjang 1, 8, Margaret Pinder 1, 7, Shannon Stone 3, Umberto D’Alessandro 1, 5, Jakob Knudsen 9, and Steve W. Musa Jawara 1, Ebrima Jatta 2, David Bell 3, Thomas R. From 21.00 until midnight all houses are uncomfortably hot, whereas 00.00 to 06.00 hours they are uncomfortably cold, unless using a sheet or blanket.įrequency of door openings during the day ( n = 15,027 openings in 30 houses over 4 days).ĭuration of door opening during the day in control and intervention housing units. Values in red are the percentage of readings that are comfortable. ( A) Human comfort index from 21.00 hours until 00.00 hours, ( B) from 00.00 hours to 06.00 hours. into houses with different types of doors. Where A is the blinds window (W1) and B is a window combining an opaque panel at the top and concertinaed panel at the bottom (W2).Įntry of ( A), nuisance mosquitoes and ( B), Anopheles gambiae s.l. Where A is the concertinaed door (D1), B is the blinds door (D2), and C and D are doors with a combination of panels and opaque windows at the top (D3 and D4).ĭetails of ( A), the concertinaed door (external view) (D1) showing perforations underneath the folded metal, and ( B), the blinds door (external view) (D2), where the outer surface is perforated and venetian blinds are on the inner surface. ( A) Typical unscreened Francophone door from West Africa ( B) Roo Pfs door external view ( C) Roo Pfs door internal view, showing screening and ( D), the concertinaed screened door, D1.Ī stylized plan view of a Gambian line house, showing the separate units, each consisting of two rooms.