Meningococcal disease before and after the introduction of meningococcal serogroup C conjugate vaccine. Federal District, Brazil.

Objectives: To analyze the behavior of meningococcal disease in the Federal District, Brazil, from 2005 to 2011, and to assess the direct impact of the meningococcal serogroup C conjugate vaccine.

Methods: A descriptive study of cases of meningococcal disease among residents of the Federal District. We included in the study confirmed cases of meningococcal disease reported to the local surveillance.