Fig. 4From: Systematic literature review of the impact and effectiveness of monovalent meningococcal C conjugated vaccines when used in routine immunization programsImpact of MCCV program in Brazil (Incidence rate reduction comparing pre-and-post-vaccination periods). *Brazil except Salvador. MCCV program introduced in the NIP in 2010 (at 3, 5, 12–15 months of age)Back to article page