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Driving towards malaria elimination in Botswana by 2018: progress on case-based surveillance, 2013-2014
M Motlaleng1, J Edwards2, J Namboze3
1National Malaria Programme, Ministry of Health, Gaborone, Botswana.
Public Health Action
|May 2, 2018
Summary
Botswana
Area of Science:
- Public Health
- Epidemiology
- Infectious Disease Surveillance
Background:
- Malaria surveillance is crucial for disease elimination efforts.
- Botswana's goal to eliminate malaria by 2018 necessitated robust reporting systems.
- The study evaluates the new malaria case-based surveillance (CBS) system against the existing Integrated Disease Surveillance and Response (IDSR) system.
Purpose of the Study:
- To assess the uptake and performance of the malaria case-based surveillance (CBS) system in Botswana.
- To compare data completeness and consistency between the CBS and IDSR systems.
- To identify discrepancies in malaria case reporting.
Main Methods:
- Retrospective descriptive study utilizing routine surveillance data.
- Analysis of aggregated data from IDSR and case-based data from CBS in three high-risk districts.
- Comparison of key malaria indicators between the two surveillance systems.
Main Results:
- The CBS system reported 34% fewer malaria cases than the IDSR system across the study period.
- Significant discrepancies were observed in case identification numbers and dates of diagnosis between the two systems.
- Variability in reporting was noted among Ngami, Chobe, and Okavango districts.
Conclusions:
- Substantial reporting gaps exist between the IDSR and CBS systems, impacting malaria elimination efforts.
- Further investigation into the causes of these discrepancies is essential.
- Strengthening the CBS system is critical for achieving Botswana's malaria elimination objectives.
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