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Protocol for Dengue Infections in Mosquitoes A. aegypti and Infection Phenotype Determination
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Protocol for Dengue Infections in Mosquitoes A. aegypti and Infection Phenotype Determination

Published on: July 4, 2007

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Characterization of Colombian departments based on climatic factors, infrastructure, basic service access, and dengue

Jennyfer Portilla1, José Tovar-Cuevas2, Diego Manotas1

  • 1Escuela de Ingeniería Industrial, Facultad de Ingeniería, Universidad del Valle, Cali, Colombia.

Biomedica : Revista Del Instituto Nacional De Salud
|December 1, 2025
PubMed

Insights

Dengue incidence in Colombia is linked to climate, socioeconomic status, and access to services. A study identified vulnerable regions with high dengue rates, informing targeted public health interventions.

Area of Science:

  • Epidemiology
  • Public Health
  • Environmental Science

Background:

  • Dengue fever is endemic in Colombia, exhibiting significant spatial variations.
  • Disease distribution is influenced by climatic, socioeconomic, and basic service access factors.
  • Territorial characterization is crucial for understanding dengue patterns and developing effective control strategies.

Purpose of the Study:

  • To group Colombian departments based on dengue incidence rates.
  • To analyze the relationship between dengue incidence and environmental, socioeconomic, and service access factors.
  • To identify distinct territorial patterns of dengue transmission in Colombia.

Main Methods:

  • Utilized data from the Instituto Nacional de Salud, Encuesta Nacional de Calidad de Vida, and satellite sources (ERA5, CHIRPS).
  • Analyzed variables including access to basic services, housing deficit, temperature, precipitation, and NDVI.
  • Employed multiple factor analysis, hierarchical clustering, and self-organizing maps for departmental grouping.

Main Results:

  • Identified three distinct groups of departments based on dengue incidence and influencing factors.
  • The most vulnerable group (group 3) exhibited a high incidence rate (1,046.87 cases/100,000 inhabitants).
  • This vulnerable group was characterized by extreme housing deficits, poor access to basic services, and favorable climatic conditions for vector proliferation.

Conclusions:

  • The study revealed key territorial patterns in dengue incidence across Colombia.
  • Structural factors significantly influence dengue transmission dynamics.
  • Findings support strengthening public policies and designing targeted prevention strategies for vulnerable regions.
Abstract

Keywords:
Aedes aegyptidenguesocioeconomic factorsmultivariate analysispublic health

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