Using GIS technology to identify areas of tuberculosis transmission and incidence

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This article discusses using GIS technology to identify areas of tuberculosis transmission and incidence.

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10 p.

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Moonan, Patrick K.; Bayona, Manuel; Quitugua, Teresa N.; Oppong, Joseph R.; Dunbar, Denise; Jost, Kenneth C. et al. October 13, 2004.

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This article discusses using GIS technology to identify areas of tuberculosis transmission and incidence.

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10 p.

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Background: Currently in the U.S. it is recommended that tuberculosis screening and treatment programs be targeted at high-risk populations. While a strategy of targeted testing and treatment of persons most likely to develop tuberculosis is attractive, it is uncertain how best to accomplish this goal. In this study the authors seek to identify geographical areas where on-going tuberculosis transmission is occurring by linking Geographic Information Systems (GIS) technology with molecular surveillance. Methods: This cross-sectional analysis was performed on data collected on persons newly diagnosed with culture positive tuberculosis at the Tarrant County Health Department (TCHD) between January 1, 1993 and December 31, 2000. Clinical isolates were molecularly characterized using IS6 110-based RFLP analysis and spoligotyping methods to identify patients infected with the same strain. Residential addresses at the time of diagnosis of tuberculosis were geocoded and mapped according to strain characterization. Generalized estimating equations (GEE) analysis models were used to identify risk factors involved in clustering. Results: Evaluation of the spatial distribution of cases within zip-code boundaries identified distinct areas of geographical distribution of same strain disease. The authors identified these geographical areas as having increased likelihood of on-going transmission. Based on this evidence the authors plan to perform geographically based screening and treatment programs. Conclusion: Using GIS analysis combined with molecular epidemiological surveillance may be an effective method for identifying instances of local transmission. These methods can be used to enhance targeted screening and control efforts, with the goal of interruption of disease transmission and ultimately incidence reduction.

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  • International Journal of Health Geographics, 2004, London: BioMed Central

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  • Publication Title: International Journal of Health Geographics
  • Volume: 3
  • Issue: 23
  • Peer Reviewed: Yes

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  • October 13, 2004

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  • Nov. 30, 2012, 9:15 a.m.

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  • July 16, 2013, 2:27 p.m.

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Moonan, Patrick K.; Bayona, Manuel; Quitugua, Teresa N.; Oppong, Joseph R.; Dunbar, Denise; Jost, Kenneth C. et al. Using GIS technology to identify areas of tuberculosis transmission and incidence, article, October 13, 2004; [London, United Kingdom]. (digital.library.unt.edu/ark:/67531/metadc122162/: accessed July 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.