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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
High spatial resolution mapping of malaria transmission risk in The Gambia, West Africa, using landsat TM satellite imagery
American Journal of Tropical Medicine and Hygiene, Volume 76, No. 5, Year 2007
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Description
Understanding local variability in malaria transmission risk is critically important when designing intervention or vaccine trials. Using a combination of field data, satellite image analysis, and GIS modeling, we developed a high-resolution map of malaria entomological inoculation rates (EIR) in The Gambia, West Africa. The analyses are based on the variation in exposure to malaria parasites experienced in 48 villages in 1996 and 21 villages in 1997. The entomological inoculation rate (EIR) varied from 0 to 166 infective bites per person per rainy season. Detailed field surveys identified the major Anopheles gambiae s.l. breeding habitats. These habitats were mapped by classification of a LANDSAT TM satellite image with an overall accuracy of 85%. Village EIRs decreased as a power function based on the breeding areas size and proximity. We use this relationship and the breeding habitats to map the variation in EIR over the entire 2500-km2 study area. Copyright © 2007 by The American Society of Tropical Medicine and Hygiene.
Authors & Co-Authors
Bøgh, Claus
Unknown Affiliation
Lindsay, Steve W.
Unknown Affiliation
Clarke, Siaân E.
Unknown Affiliation
Dean, Andy
Unknown Affiliation
Jawara, Musa
Unknown Affiliation
Pinder, Margaret
Unknown Affiliation
Thomas, Christopher James
Unknown Affiliation
Statistics
Citations: 101
Authors: 7
Affiliations: 6
Identifiers
Doi:
10.4269/ajtmh.2007.76.875
ISSN:
00029637
Research Areas
Health System And Policy
Infectious Diseases
Study Design
Randomised Control Trial
Cross Sectional Study
Study Locations
Multi-countries
Gambia