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Strengthening surveillance systems for malaria elimination: a global landscaping of system performance, 2015–2017

Authors
  • Lourenço, Christopher1, 2
  • Tatem, Andrew J.2
  • Atkinson, Peter M.3
  • Cohen, Justin M.1
  • Pindolia, Deepa1
  • Bhavnani, Darlene1
  • Le Menach, Arnaud1
  • 1 Clinton Health Access Initiative, CHAI, 383 Dorchester Ave, Suite 400, Boston, MA, 02127, USA , Boston (United States)
  • 2 University of Southampton, WorldPop, Department of Geography and Environmental Science, Southampton, UK , Southampton (United Kingdom)
  • 3 Lancaster University, Lancaster Environment Centre, Lancaster, UK , Lancaster (United Kingdom)
Type
Published Article
Journal
Malaria Journal
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Sep 18, 2019
Volume
18
Issue
1
Identifiers
DOI: 10.1186/s12936-019-2960-2
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundSurveillance is a core component of an effective system to support malaria elimination. Poor surveillance data will prevent countries from monitoring progress towards elimination and targeting interventions to the last remaining at-risk places. An evaluation of the performance of surveillance systems in 16 countries was conducted to identify key gaps which could be addressed to build effective systems for malaria elimination.MethodsA standardized surveillance system landscaping was conducted between 2015 and 2017 in collaboration with governmental malaria programmes. Malaria surveillance guidelines from the World Health Organization and other technical bodies were used to identify the characteristics of an optimal surveillance system, against which systems of study countries were compared. Data collection was conducted through review of existing material and datasets, and interviews with key stakeholders, and the outcomes were summarized descriptively. Additionally, the cumulative fraction of incident infections reported through surveillance systems was estimated using surveillance data, government records, survey data, and other scientific sources.ResultsThe landscaping identified common gaps across countries related to the lack of surveillance coverage in remote communities or in the private sector, the lack of adequate health information architecture to capture high quality case-based data, poor integration of data from other sources such as intervention information, poor visualization of generated information, and its lack of availability for making programmatic decisions. The median percentage of symptomatic cases captured by the surveillance systems in the 16 countries was estimated to be 37%, mostly driven by the lack of treatment-seeking in the public health sector (64%) or, in countries with large private sectors, the lack of integration of this sector within the surveillance system.ConclusionsThe landscaping analysis undertaken provides a clear framework through which to identify multiple gaps in current malaria surveillance systems. While perfect systems are not required to eliminate malaria, closing the gaps identified will allow countries to deploy resources more efficiently, track progress, and accelerate towards malaria elimination. Since the landscaping undertaken here, several countries have addressed some of the identified gaps by improving coverage of surveillance, integrating case data with other information, and strengthening visualization and use of data.

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