Serogroup W135 Meningococcal Disease, The Gambia, 2012
M. Jahangir Hossain
, Anna Roca, Grant A. Mackenzie, Momodou Jasseh, Mohammad Ilias Hossain, Shah Muhammad, Manjang Ahmed, Osuorah Donatus Chidiebere, Ndiaye Malick, S.M. Bilquees, Usman N. Ikumapayi, Baba Jeng, Baba Njie, Mamady Cham, Beate Kampmann, Tumani Corrah, Stephen Howie, and Umberto D’Alessandro
Author affiliations: Medical Research Council Unit, Banjul, The Gambia (M.J. Hossain, A. Roca, G.A. Mackenzie, M. Jasseh, M.I. Hossain, S. Muhammad, M. Ahmed, O.D. Chidiebere, N. Malick, S.M. Bilquees, U.N. Ikumapayi, B. Kampmann, T. Corrah, S. Howie, U. D’Alessandro); Ministry of Health, Banjul (B. Jeng, B. Njie, M. Cham); Institute of Tropical Medicine, Antwerp, Belgium (U. D’Alessandro)
Figure 1. . Outbreak of Neisseria meningitidis serogroup W135, Central River and Upper River Regions, The Gambia, February 1–June 25, 2012. A) Attack rate per 100,000 persons per week. B) Attack rate per 100,000 children <5 years of age per week. Light gray bars, Central River Region; dark gray bars, Upper River Region. Alert threshold corresponds to an attack rate of 5; epidemic threshold, to an attack rate of 10.
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