Figure 2From: Persistent low carriage of serogroup A Neisseria meningitidistwo years after mass vaccination with the meningococcal conjugate vaccine, MenAfriVac Carriage prevalence of N. meningitidis by age and gender and prevalence of N. lactamica by age in Burkina Faso in 2012. The figure shows carriage prevalence (%) of N. meningitidis by age and gender (left secondary axis) together with carriage prevalence (%) of N. lactamica by age (right secondary axis).Back to article page