Continuing Effectiveness of Serogroup A Meningococcal Conjugate Vaccine, Chad, 2013
Kadidja Gamougam, Doumagoum M. Daugla, Jacques Toralta, Cyriaque Ngadoua, Florence Fermon, Anne-Laure Page, Mamoudou Djingarey, Dominique A. Caugant, Olivier Manigart, Caroline L. Trotter, James M. Stuart
, Brian M. Greenwood, and Brian M. Greenwood.
Author affiliations: Hôpital Général de Référence Nationale, N’Djamena, Chad (K. Gamougam); Centre de Support en Santé International, N’Djamena (D.M. Daugla, J. Toralta); Ministere de la Santé Publique, N’Djamena (C. Ngadoua); Epicentre– Médecins sans Frontières, Paris, France (F. Fermon, A.-L. Page); World Health Organization Intercountry Support Team, Ouagadougou, Burkina Faso (M.H. Djingarey); Norwegian Institute for Public Health, Oslo, Norway (D.A.Caugant); London School of Hygiene & Tropical Medicine, London, UK (O. Manigart, J.M. Stuart, B.M. Greenwood); University of Cambridge, Cambridge, UK (C.L.Trotter)
Figure 1. Areas of Chad in which vaccination with serogroup A meningococcal polysaccharide/tetanus toxoid conjugate vaccine was implemented in 2011 (white) and 2012 (gray).
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