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- Title
Improving Case-Based Meningitis Surveillance in 5 Countries in the Meningitis Belt of Sub-Saharan Africa, 2015-2017.
- Authors
Mbaeyi, Sarah A; Lingani, Clement; Diallo, Alpha Oumar; Bicaba, Brice; Ouédraogo-Traoré, Rasmata; Acyl, Mahamat; Gamougame, Kadidja; Coulibaly, Oumou; Coulibaly, Souleymane; Zaneidou, Maman; Sidikou, Fati; Nikiema, Christelle; Sadji, Adodo Yao; Aké, Flavien; Tarbangdo, Félix; Sakande, Souleymane; Tall, Haoua; Njanpop-Lafourcade, Berthe-Marie; Moïsi, Jennifer; N'diaye, Aboubacar
- Abstract
<bold>Background: </bold>The MenAfriNet consortium was established in 2014 to support implementation of case-based meningitis surveillance in 5 countries in the meningitis belt of sub-Saharan Africa: Burkina Faso, Chad, Mali, Niger, and Togo. Assessing surveillance performance is critical for interpretation of the collected data and implementation of future surveillance-strengthening initiatives.<bold>Methods: </bold>Detailed epidemiologic and laboratory data were collected on suspected meningitis cases through case-based meningitis surveillance in participating districts in 5 countries. Performance of case-based surveillance was evaluated through sensitivity of case ascertainment in case-based versus aggregate meningitis surveillance and an analysis of surveillance indicators.<bold>Results: </bold>From 2015 to 2017, 18 262 suspected meningitis cases were identified through case-based surveillance and 16 262 were identified through aggregate surveillance, for a case ascertainment sensitivity of 112.3%. Among suspected cases, 16 885 (92.5%) had a cerebrospinal fluid (CSF) specimen collected, 13 625 (80.7%) of which were received at a national reference laboratory. Among these, 13 439 (98.6%) underwent confirmatory testing, and, of those tested, 4371 (32.5%) were confirmed for a bacterial pathogen.<bold>Conclusions: </bold>Overall strong performance for case ascertainment, CSF collection, and laboratory confirmation provide evidence for the quality of MenAfriNet case-based surveillance in evaluating epidemiologic trends and informing future vaccination strategies.
- Publication
Journal of Infectious Diseases, 2019, Vol 220, Issue 9, pS155
- ISSN
0022-1899
- Publication type
journal article
- DOI
10.1093/infdis/jiz303