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Geospatial analysis of leptospirosis clusters and risk factors in two provinces of the Dominican Republic

Author

Listed:
  • Beatris Mario Martin
  • Benn Sartorius
  • Helen J Mayfield
  • Angela M Cadavid Restrepo
  • Behzad Kiani
  • Cecilia J Then Paulino
  • Marie Caroline Etienne
  • Ronald Skewes-Ramm
  • Michael de St. Aubin
  • Devan Dumas
  • Salomé Garnier
  • William Duke
  • Farah Peña
  • Gabriela Abdalla
  • Lucia de la Cruz
  • Bernarda Henríquez
  • Margaret Baldwin
  • Adam Kucharski
  • Eric J Nilles
  • Colleen L Lau

Abstract

Background: Drivers of leptospirosis transmission can vary across regions, leading to spatial clustering of infections. This study aims to identify clusters of leptospirosis seroprevalence in the Dominican Republic (DR) and factors associated with high-risk areas. Methodology/Principal Findings: We analysed data from two provinces, Espaillat and San Pedro de Macoris (SPM), obtained on a national survey conducted in 2021 (n = 2,078). Samples were tested by microscopic agglutination testing (MAT) to detect leptospirosis antibodies. We used flexible spatial scan statistics to locate significant clusters for seropositive individuals (all serogroups combined) in each province and calculated risk ratios (RR) at the household and community level. Environmental and sociodemographic risk factors associated with clusters were assessed by logistic regression. One cluster was identified in each province. Participants living inside a cluster were more likely to live further from health facilities (OR 1.86, p

Suggested Citation

  • Beatris Mario Martin & Benn Sartorius & Helen J Mayfield & Angela M Cadavid Restrepo & Behzad Kiani & Cecilia J Then Paulino & Marie Caroline Etienne & Ronald Skewes-Ramm & Michael de St. Aubin & Deva, 2025. "Geospatial analysis of leptospirosis clusters and risk factors in two provinces of the Dominican Republic," PLOS Neglected Tropical Diseases, Public Library of Science, vol. 19(6), pages 1-14, June.
    • Handle: RePEc:plo:pntd00:0013103
    DOI: 10.1371/journal.pntd.0013103
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