We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMonitoring the introduction of pneumococcal conjugate vaccines into West Africa: design and implementation of a population-based surveillance system.AuthorsMackenzie GA; Plumb ID; Sambou S; Saha D; Uchendu U; Akinsola B; Ikumapayi UN; Baldeh I; Usuf E; Touray K; Jasseh M; Howie SR; Wattiaux A; Lee E; Knoll MD; Levine OS; Greenwood BM; Adegbola RA; Hill PCPublicationPLoS medicine, 2012, Vol 9, Issue 1, pe1001161ISSN1549-1676Publication typearticleDOI10.1371/journal.pmed.1001161