ArticleInternational journal of environmental research and public health2026
Malaria Test Positivity, Temporal Trends, and Associated Factors Among Clinically Suspected Adult Cases in Maruleng Sub-District, Limpopo Province, South Africa, 2018-2023.
Article in International journal of environmental research and public health, 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
backgroundMalaria remains a significant public health challenge in sub-Saharan Africa and is endemic in certain areas of South Africa despite ongoing elimination efforts. This study assessed malaria positivity, temporal trends, seasonal patterns, and factors associated with malaria positivity among clinically suspected adult in Maruleng Sub-District, Limpopo Province.
methodsA retrospective cross-sectional study analysed routine malaria surveillance records from 2018 to 2023 among suspected adult cases (≥18 years) tested for malaria at 11 clinics and one hospital. Descriptive, regression, and seasonal trend analyses were performed.
resultsOf 385 adult records analysed, 366 were malaria-positive (test positivity rate = 95.1%). Cases were mostly males (66.7%) and adults aged 18-35 years (47.5%). Malaria cases were highest in 2018 and 2019, declined between 2020 and 2022, and increased in 2023. Significant seasonal variation was observed, with the highest numbers of cases occurring in April and May (
conclusionsMalaria remains an important public health concern in Maruleng. The observed temporal and seasonal patterns highlight the importance of strengthening surveillance, seasonal preparedness, and targeted vector control interventions before peak transmission periods. Larger studies with greater outcome variability are needed to better characterise factors associated with malaria positivity.
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