Moving towards malaria elimination: trends and attributes of cases in Kavango region, Namibia, 2010–2014
Objective: To determine 1) the trends in malaria incidence between 2010 and 2014 in Kavango, 2) the socio-demographic and clinical characteristics of confirmed cases in 2014, and 3) associated risk factors of cases classified as imported.
Design: This was a retrospective study of malaria case investigation forms conducted in all 52 public health facilities in 2014. Incidence was derived from aggregate routine surveillance data from the Health Information System (HIS).
Results: During the 5-year study, incidence fell from 53.6 to 3.6 cases per 1000 population, then increased again to 47.3/1000. Fifty-five per cent of cases were males, and 49% were aged between 5 and 17 years. Of the 2014 cases, 23% were imported, and were associated with higher odds of severe malaria (adjusted odds ratio [aOR] 1.8; 95%CI 1.01–3.29), not having long-lasting insecticide treated nets (aOR 2.1, 95%CI, 1.3–3.4) and not receiving insecticide residual spraying (aOR 3.2, 95%CI, 2.1–5.1).
Conclusion: Sporadic outbreaks in the 5-year period posed a threat to malaria elimination. Better targeting of vector control interventions, strong cross-border collaboration and robust health promotion will be key to achieving malaria elimination.
Document Type: Research Article
Affiliations: 1: National Vector-Borne Disease Control Programme, Ministry of Health and Social Services, Windhoek, Namibia 2: International Union Against Tuberculosis and Lung Disease, Paris, France, National Tuberculosis Programme, Cotonou, Benin 3: Kenya Mission, Operational Centre Brussels, Médecins Sans Frontières, Nairobi, Kenya 4: International Union Against Tuberculosis and Lung Disease, Paris, France, AIDS and TB Department, Ministry of Health and Child Care, Harare, Zimbabwe 5: Multidisciplinary Research Centre, University of Namibia, Windhoek, Namibia
Publication date: April 25, 2018
Public Health Action (PHA), The Union's quarterly open access on-line journal, provides a platform for its mission 'Health solutions for the poor'. PHA addresses the need for show-casing operational research that addresses issues in health systems and services. It publishes high-quality scientific research that provides new knowledge to improve access, equity, quality and efficiency of health systems and services.
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