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Related Concept Videos

Principles of Disease Surveillance01:26

Principles of Disease Surveillance

Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
Selected Data About Geographic Locations01:25

Selected Data About Geographic Locations

Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
Introduction to GIS01:28

Introduction to GIS

Geographic Information Systems (GIS) are tools for storing, analyzing, and displaying spatial data alongside related attributes. Unlike traditional information systems that address general queries, GIS incorporates spatial components, enabling users to answer "where" and "how far." For example, GIS can process housing data linked to geographic locations like zip codes, allowing insights into population density or housing distribution through thematic maps.GIS integrates technologies such as...
GIS Software, Hardware, and Sources of GIS Data01:23

GIS Software, Hardware, and Sources of GIS Data

A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
Levels of Use of a GIS01:29

Levels of Use of a GIS

Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...

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Visualizing Efficacy of Pesticides Against Disease Vector Mosquitoes in the Field
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Published on: March 16, 2019

Geographical information systems for dengue surveillance.

Jennifer Duncombe1, Archie Clements, Wenbiao Hu

  • 1School of Population Health, University of Queensland, Brisbane, Queensland, Australia. j.duncombe@uq.edu.au

The American Journal of Tropical Medicine and Hygiene
|May 5, 2012
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Geographical Information Systems (GIS) enhance dengue surveillance, especially in developing nations. Open access GIS and international cooperation are vital for combating this global health threat.

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Area of Science:

  • Public Health
  • Epidemiology
  • Geospatial Science

Background:

  • Dengue poses a significant global health challenge, disproportionately affecting developing countries.
  • Traditional dengue surveillance methods often lack the spatial analytical capabilities to effectively track and predict outbreaks.
  • Geographical Information Systems (GIS) offer powerful tools for spatial data analysis and visualization.

Purpose of the Study:

  • To review the role of GIS in contemporary dengue surveillance systems.
  • To highlight the application and benefits of open-access GIS technology for dengue control.
  • To advocate for enhanced international collaboration in transboundary dengue surveillance.

Main Methods:

  • Literature review of existing studies on GIS applications in dengue surveillance.
  • Analysis of open-access GIS tools and their relevance to resource-limited settings.
  • Discussion of case studies demonstrating successful GIS implementation in dengue monitoring.

Main Results:

  • GIS effectively integrates diverse data sources (e.g., climate, vector, human population) for comprehensive dengue risk assessment.
  • Open-access GIS platforms provide cost-effective solutions for developing countries to improve surveillance capacity.
  • Spatial analysis using GIS aids in identifying high-risk areas and optimizing intervention strategies.

Conclusions:

  • GIS is a crucial component of modern dengue surveillance, enabling data-driven decision-making.
  • Promoting open-access GIS and capacity building is essential for strengthening dengue control in endemic regions.
  • Transboundary collaboration, facilitated by shared geospatial data and tools, is imperative for managing the global dengue challenge.