Figure 1
From: The elusive meningococcal meningitis serogroup: a systematic review of serogroup B epidemiology
Incidence of Meningococcal Disease by serogroup. Distribution of meningococcal meningitis serogroups in the different regions present throughout 1994-2007. Colours correspond to the mentioned serogroups. Incidence given per 100,000 population.