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Volume 22, Number 10—October 2016

Research

Whole-Genome Characterization of Epidemic Neisseria meningitidis Serogroup C and Resurgence of Serogroup W, Niger, 2015

Cecilia B. Kretz1, Adam C. Retchless1, Fati Sidikou, Bassira Issaka, Sani Ousmane, Stephanie Schwartz, Ashley H. Tate, Assimawè Pana, Berthe-Marie Njanpop-Lafourcade, Innocent Nzeyimana, Ricardo Obama Nse, Ala-Eddine Deghmane, Eva Hong, Ola Brønstad Brynildsrud, Ryan T. Novak, Sarah A. Meyer, Odile Ouwe Missi Oukem-Boyer, Olivier Ronveaux, Dominique A. Caugant, Muhamed-Kheir Taha, Xin WangComments to Author , and the Niger Response Team
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (C.B. Kretz, A.C. Retchless, S. Schwartz, A.H. Tate, R.T. Novak, S.A. Meyer, X. Wang); Centre de Recherche Médicale et Sanitaire, Niamey, Niger (F. Sidikou, B. Issaka, S. Ousmane, O.O.M. Oukem-Boyer); Agence de Médecine Préventive, Paris (B. Njanpop-Lafourcade); World Health Organization, Niamey (I. Nzeyimana, A. Pana, R. Obama Nse); Institut Pasteur, Paris, France (A.-E. Deghmane, E. Hong, M.-K. Taha); Norwegian Institute of Public Health, Oslo, Norway (O.B. Brynildsrud, D.A. Caugant); World Health Organization, Geneva, Switzerland (O. Ronveaux)

Main Article

Figure 3

Phylogenetic tree of a subset of the Neisseria meningitidis serogroup W (NmW) isolates, labeled with country of origin, year of isolation, and clonal complex (CC). Clades comprising isolates from a single country and year are collapsed, with the isolate count in parentheses. Internal nodes are labeled with bootstrap values, and the number of single nucleotide polymorphisms (SNPs) distinguishing different groups is provided at right. The scale bar is based on the 11,324 positions in the core SNP

Figure 3. Phylogenetic tree of a subset of the Neisseria meningitidis serogroup W (NmW) isolates, labeled with country of origin, year of isolation, and clonal complex (CC). Clades comprising isolates from a single country and year are collapsed, with the isolate count in parentheses. Internal nodes are labeled with bootstrap values, and the number of single nucleotide polymorphisms (SNPs) distinguishing different groups is provided at right. The scale bar is based on the 11,324 positions in the core SNP matrix and indicates nucleotide substitutions per site.

Main Article

1These first authors contributed equally to this article.

2Members of the Niger Response Team who contributed to this study are listed at the end of this article.

Page created: September 20, 2016
Page updated: September 20, 2016
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