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The Changing Epidemiology of Meningococcal Disease in Quebec, Canada, 1991–2011: Potential Implications of Emergence of New Strains
Figure 2
IMD incidence by age group in Quebec according to laboratory surveillance, 1997–2011.
A. Overall IMD incidence. B. Serogroup B incidence.
doi: https://doi.org/10.1371/journal.pone.0050659.g002