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Window screening, ceilings and closed eaves as sustainable ways to control malaria in Dar es Salaam, Tanzania

Ogoma, S. B., Kannady, K., Sikulu, M., Chaki, Propser P, Govella, Nicodem, Mukabana, W. R. and Killeen, Gerry ORCID: (2009) 'Window screening, ceilings and closed eaves as sustainable ways to control malaria in Dar es Salaam, Tanzania'. Malaria Journal, Vol 8, Issue 1.

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Background. Malaria transmission in Africa occurs predominantly inside houses where the primary vectors prefer to feed. Human preference and investment in blocking of specific entry points for mosquitoes into houses was evaluated and compared with known entry point preferences of the mosquitoes themselves. Methods. Cross-sectional household surveys were conducted in urban Dar es Salaam, Tanzania to estimate usage levels of available options for house proofing against mosquito entry, namely window screens, ceilings and blocking of eaves. These surveys also enabled evaluation of household expenditure on screens and ceilings and the motivation behind their installation. Results. Over three quarters (82.8%) of the 579 houses surveyed in Dar es Salaam had window screens, while almost half (48.9%) had ceilings. Prevention of mosquito entry was cited as a reason for installation of window screens and ceilings by 91.4% (394/431) and 55.7% (127/228) of respondents, respectively, but prevention of malaria was rarely cited (4.3%, 22/508). The median cost of window screens was between US $ 21-30 while that of ceilings was between US $301-400. The market value of insecticide-treated nets, window screening and ceilings currently in use in the city was estimated as 2, 5 and 42 million US$. More than three quarters of the respondents that lacked them said it was too expensive to install ceilings (82.2%) or window screens (75.5%). Conclusion. High coverage and spending on screens and ceilings implies that these techniques are highly acceptable and excellent uptake can be achieved in urban settings like Dar es Salaam. Effective models for promotion and subsidization should be developed and evaluated, particularly for installation of ceilings that prevent entry via the eaves, which are the most important entry point for mosquitoes that cause malaria, a variety of neglected tropical diseases and the nuisance which motivates uptake. © 2009 Ogoma et al.

Item Type: Article
Additional Information: doi: 10.1186/1475-2875-8-221 Language of Original Document: English Correspondence Address: Ogoma, S. B.; University of Nairobi, School of Biological Sciences, PO Box 30197-00100 GPO, Nairobi, Kenya; email:
Subjects: QX Parasitology > Insects. Other Parasites > QX 510 Mosquitoes
QX Parasitology > Insects. Other Parasites > QX 600 Insect control. Tick control
Digital Object Identifer (DOI):
Depositing User: Users 183 not found.
Date Deposited: 18 Jun 2010 15:00
Last Modified: 14 Dec 2021 10:23


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