Accuracy and impact of spatial aids based upon satellite enumeration to improve indoor residual spraying spatial coverage

Malaria Journal
Daniel J BridgesDavid A Larsen

Abstract

Indoor residual spraying (IRS) is a key tool in the fight to control, eliminate and ultimately eradicate malaria. IRS protection is based on a communal effect such that an individual's protection primarily relies on the community-level coverage of IRS with limited protection being provided by household-level coverage. To ensure a communal effect is achieved through IRS, achieving high and uniform community-level coverage should be the ultimate priority of an IRS campaign. Ensuring high community-level coverage of IRS in malaria-endemic areas is challenging given the lack of information available about both the location and number of households needing IRS in any given area. A process termed 'mSpray' has been developed and implemented and involves use of satellite imagery for enumeration for planning IRS and a mobile application to guide IRS implementation. This study assessed (1) the accuracy of the satellite enumeration and (2) how various degrees of spatial aid provided through the mSpray process affected community-level IRS coverage during the 2015 spray campaign in Zambia. A 2-stage sampling process was applied to assess accuracy of satellite enumeration to determine number and location of sprayable structures. Results indi...Continue Reading

References

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Sep 23, 2016·Parasites & Vectors·Jennifer C StevensonUNKNOWN Southern Africa International Centers of Excellence in Malaria Research

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Software Mentioned

QGIS
Quantum GIS
mSpray
Bing

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