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Open Access Highly Accessed Methodology

Tracking the polio virus down the Congo River: a case study on the use of Google Earth™ in public health planning and mapping

Raoul Kamadjeu

Author Affiliations

National Center for Immunization and Respiratory Diseases (NCIRD), Global Immunization Division (GID), Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, 30333, USA

International Journal of Health Geographics 2009, 8:4  doi:10.1186/1476-072X-8-4

Published: 22 January 2009

Abstract

Background

The use of GIS in public health is growing, a consequence of a rapidly evolving technology and increasing accessibility to a wider audience. Google Earth™ (GE) is becoming an important mapping infrastructure for public health. However, generating traditional public health maps for GE is still beyond the reach of most public health professionals. In this paper, we explain, through the example of polio eradication activities in the Democratic Republic of Congo, how we used GE Earth as a planning tool and we share the methods used to generate public health maps.

Results

The use of GE improved field operations and resulted in better dispatch of vaccination teams and allocation of resources. It also allowed the creation of maps of high quality for advocacy, training and to help understand the spatiotemporal relationship between all the entities involved in the polio outbreak and response.

Conclusion

GE has the potential of making mapping available to a new set of public health users in developing countries. High quality and free satellite imagery, rich features including Keyhole Markup Language or image overlay provide a flexible but yet powerful platform that set it apart from traditional GIS tools and this power is still to be fully harnessed by public health professionals.