A spatial decision support system for guiding focal indoor residual spraying interventions in a malaria elimination zone

Kelly, Gerard C., Seng, Chang Moh, Donald, Wesley, Taleo, George, Nausien, Johnny, Batarii, Willie, Iata, Harry, Tanner, Marcel, Vestergaard, Lasse S. and Clements, Archie C. A. (2011) A spatial decision support system for guiding focal indoor residual spraying interventions in a malaria elimination zone. Geospatial Health, 6 1: 21-31. doi:10.4081/gh.2011.154

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Author Kelly, Gerard C.
Seng, Chang Moh
Donald, Wesley
Taleo, George
Nausien, Johnny
Batarii, Willie
Iata, Harry
Tanner, Marcel
Vestergaard, Lasse S.
Clements, Archie C. A.
Title A spatial decision support system for guiding focal indoor residual spraying interventions in a malaria elimination zone
Journal name Geospatial Health   Check publisher's open access policy
ISSN 1827-1987
Publication date 2011-11
Sub-type Article (original research)
DOI 10.4081/gh.2011.154
Open Access Status DOI
Volume 6
Issue 1
Start page 21
End page 31
Total pages 11
Place of publication Naples, Italy
Publisher Universita degli Studi di Napoli "Federico II"
Collection year 2012
Language eng
Abstract A customized geographical information system (GIS) has been developed to support focal indoor residual spraying (IRS) operations as part of a scaled-up campaign to progressively eliminate malaria in Vanuatu. The aims of the GIS- based spatial decision support system (SDSS) were to guide the planning, implementation and assessment of IRS at the household level. Additional aims of this study were to evaluate the user acceptability of a SDSS guiding IRS interventions. IRS was conducted on Tanna Island, Republic of Vanuatu between 26 October and 5 December 2009. Geo-referenced household information provided a baseline within the SDSS. An interactive mapping interface was used to delineate operation areas, extract relevant data to support IRS field teams. In addition, it was used as a monitoring tool to assess overall intervention coverage. Surveys and group discussions were conducted during the operations to ascertain user acceptability. Twenty-one operation areas, comprising a total of 187 settlements and 3,422 households were identified and mapped. A total of 3,230 households and 12,156 household structures were sprayed, covering a population of 13,512 individuals, achieving coverage of 94.4% of the households and 95.7% of the population. Village status maps were produced to visualize the distribution of IRS at the sub-village level. One hundred percent of survey respondents declared the SDSS a useful and effective tool to support IRS. The GIS-based SDSS adopted in Tanna empowered programme managers at the provincial level to implement and asses the IRS intervention with the degree of detail required for malaria elimination. Since completion, SDSS applications have expanded to additional provinces in Vanuatu and the neighbouring Solomon Islands supporting not only specific malaria elimination and control interventions, but also the broader public health sector in general.
Keyword Geographical information system
Malaria elimination
Indoor residual spraying
Spatial decision support system
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Public Health Publications
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