Nicolas Nathan*1, Angela M.C. Rose*, Dominique Legros*, Sylvestre R.M. Tiendrebeogo†, Catherine Bachy*, Egil Bjørløw‡§, Peter Firmenich¶, Philippe J. Guerin* , and Dominique A. Caugant§#
Author affiliations: *Epicentre, Paris, France; †Ministry of Health, Ouagadougou, Burkina Faso; ‡European Programme for Intervention Epidemiology Training, Oslo, Norway; §Norwegian Institute of Public Health, Oslo, Norway; ¶Médecins sans Frontières, Bereldange, Luxembourg; #World Health Organization Collaborating Centre for Reference and Research on Meningococci, Oslo, Norway;
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