Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 21, Number 1—January 2015
Dispatch

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. StuartComments to Author , 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)

Main Article

Table

Diagnoses of suspected meningitis cases from CSF specimens, Chad, weeks 1–26, 2010–2013*

Location, year No. reports of suspected meningitis CSF specimens, no. (%) Diagnosis†
N. meningitidis
 S. pneumoniae H. influenzae type b Other
A W X Other
N'Djamena regions
2010 268 158 (58.9) 27 2 0 2 8 0 0
2011 732 163 (22.3) 45 1 1 0 6 0 0
2012 57 37 (64.9) 0 0 2 0 0 0 0
2013
 25
 7 (28.0)
 0
 0
 0
 0
 1
 0
 0
Rest of Chad
2010 3,040 65 (2.1) 28 1 0 0 2 0 0
2011 5,808 353 (6.1) 110 1 1 0 0 1 0
2012 3,809 329 (8.6) 59 4 0 0 4 0 0
2013 247 99 (40.1) 1 2 0 0 12 4 4‡

*Diagnoses were based on cerebrospinal fluid (CSF) specimens received at the national reference laboratory in N’Djamena, Chad. Vaccination with serogroup A meningococcal polysaccharide/tetanus toxoid conjugate vaccine was implemented in the N’Djamena regions in 2011 and in all other regions of Chad in 2012. No reference laboratory data are available for 2009. N., Neisseria; S., Streptococcus; H., Haemophilus.
†Based on culture or latex agglutination.
‡Acinetobacter baumanii, Salmonella paratyphi A, Staphylococcus hominis, Staphylococcus aureus.

Main Article

Page created: December 19, 2014
Page updated: December 19, 2014
Page reviewed: December 19, 2014
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external