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Containing acute disease outbreak.

A Prince1, Xin Chen, K C Lun

  • 1School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore 637551, Singapore.

Methods of Information in Medicine
|January 10, 2006
PubMed
Summary
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A new Digital Ring Fence (DRiF) strategy, using Geographical Information System (GIS) mapping, offers a novel method for containing infectious disease outbreaks by predicting and corralling spread.

Area of Science:

  • Epidemiology
  • Public Health
  • Geographical Information Systems

Background:

  • Epidemiological surveillance is crucial for disease prevention, outbreak identification, and evaluating control strategies.
  • Acute infectious diseases pose significant public health challenges requiring effective containment measures.

Purpose of the Study:

  • To develop a novel Geographical Information System (GIS) based Digital Ring Fence (DRiF) strategy for acute infectious disease containment.
  • To enhance epidemiological surveillance and disease control efforts.

Main Methods:

  • Utilizing a secure database to capture probable case data.
  • Employing postal codes for precise mapping of cases on a multi-layered GIS.
  • Constructing a Digital Ring Fence (DRiF) around case locations using Non-Homogeneous Poisson Process (NHPP) modeling to estimate infection risk.

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Main Results:

  • Simulation studies indicate the DRiF strategy's potential as a novel approach for containing acute disease outbreaks.
  • The DRiF strategy effectively identifies population concentrations for targeted outbreak containment.

Conclusions:

  • The Digital Ring Fence (DRiF) strategy provides a method to contain infectious disease spread by creating a defined zone.
  • This approach is vital for tackling outbreaks like SARS and can be applied to avian flu containment and preventing human-to-human transmission.