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PLoS Med. 2012 Jan;9(1):e1001161. doi: 10.1371/journal.pmed.1001161. Epub 2012 Jan 17.

Monitoring the introduction of pneumococcal conjugate vaccines into West Africa: design and implementation of a population-based surveillance system.

Author information

  • 1MRC Unit, Fajara and Basse stations, The Gambia, West Africa. gmackenzie@mrc.gm

Abstract

Routine use of pneumococcal conjugate vaccines (PCVs) in developing countries is expected to lead to a significant reduction in childhood deaths. However, PCVs have been associated with replacement disease with non-vaccine serotypes. We established a population-based surveillance system to document the direct and indirect impact of PCVs on the incidence of invasive pneumococcal disease (IPD) and radiological pneumonia in those aged 2 months and older in The Gambia, and to monitor changes in serotype-specific IPD. Here we describe how this surveillance system was set up and is being operated as a partnership between the Medical Research Council Unit and the Gambian Government. This surveillance system is expected to provide crucial information for immunisation policy and serves as a potential model for those introducing routine PCV vaccination in diverse settings.

PMID:
22272192
[PubMed - indexed for MEDLINE]
PMCID:
PMC3260317
Free PMC Article

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