ArticlePublic health in practice (Oxford, England)2026
Evaluation of the measles surveillance system in Chereponi District, Ghana, 2019-2024.
Article in Public health in practice (Oxford, England), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: To evaluate the design, implementation, and performance of the measles surveillance system in Chereponi District, Ghana, from 2019 to 2024 using the United States Centres for Disease Control and Prevention (CDC) Updated Guidelines for Evaluating Public Health Surveillance Systems. Study design: Cross-sectional mixed-methods surveillance system evaluation. Methods: A mixed-methods evaluation was conducted across all 26 health facilities implementing measles surveillance and 13 purposively selected key informants. Quantitative data were collected through facility assessments and review of Surveillance Outbreak Response Management and Analysis System (SORMAS) records. Qualitative data were obtained through semi-structured interviews. Descriptive statistics, predictive value positive (PVP), Cochran-Armitage trend analysis, and thematic analysis were performed. Results: Timeliness was the strongest surveillance attribute (100%), followed by data quality (96.2%) and representativeness (88.5%). Acceptability (80.8%), simplicity (73.1%), and flexibility (61.5%) showed moderate performance, whereas usefulness (42.3%) and stability (38.5%) were weakest. During 2019-2024, 167 suspected measles cases were reported, of which 31 were laboratory confirmed (PVP = 18.6%; 95% CI: 13.4-25.3%). Laboratory confirmation rates increased significantly from 0% during 2019-2021 to 30.8% in 2024 (Cochran-Armitage χ Conclusions: The measles surveillance system was functional and supported timely case detection, laboratory confirmation, and outbreak response within Ghana's IDSR framework. However, strengthening workforce capacity, logistics, laboratory feedback, digital infrastructure, and community-based surveillance is essential to improve system stability and advance measles elimination effort.
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