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Digitalizing disease surveillance: experience from Sierra Leone.

Magoba Bridget1, Gebrekrstos Negash Gebru1,2, George S Odongo3

  • 1Department of Surveillance, African Field Epidemiology Network, Freetown, Sierra Leone.

Health Policy and Planning
|May 30, 2024
PubMed
Summary

Sierra Leone transitioned from paper-based to electronic disease surveillance using DHIS2 software. This digitalization improved real-time reporting and outbreak tracking for public health decision-making.

Keywords:
DHIS2Sierra LeoneSurveillanceeCBDSeIDSR

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Area of Science:

  • Public Health
  • Epidemiology
  • Health Informatics

Background:

  • Sierra Leone adopted the Integrated Disease Surveillance and Response (IDSR) system in 2008, relying on paper-based tools.
  • The Ministry of Health (MOH) aimed to enhance disease surveillance by implementing electronic reporting for notifiable diseases.

Purpose of the Study:

  • To document Sierra Leone's experience in transitioning from a paper-based to an electronic disease surveillance system.
  • To describe the implementation of electronic case-based disease surveillance (eCBDS) for real-time reporting.

Main Methods:

  • A retrospective mixed-methods approach was employed, reviewing qualitative and quantitative data.
  • Qualitative data involved analyzing surveillance reports, guidelines, and DHIS2 documentation.
  • Quantitative data analysis utilized Microsoft Excel and the DHIS2 platform.

Main Results:

  • A web-based eCBDS system, integrated with DHIS2, was piloted in early 2017 for real-time reporting.
  • By 2021, a significant increase in electronic reporting of notifiable cases was observed, with over 80% having case-based data in eCBDS.
  • The eCBDS system facilitated real-time tracking of outbreaks, including Lassa fever, Measles, Polio, and Anthrax.

Conclusions:

  • Sierra Leone successfully digitalized its disease surveillance system, enhancing data accessibility and public health decision-making.
  • The eCBDS implementation has proven effective in real-time disease monitoring and outbreak response.