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The incidence of meningococcal disease (MD) and the serogroup-specific incidence from the notification system for meningococcal disease (NSMD), 1980–2006, and the incidence of registered cases in the National Patient Registry (NPR) with ICD-10 code A39, 1995–2002 (–•–). (The MD incidence rate from the NPR is based on notified cases and has not been scrutinized to verify the diagnoses, as was done for years 1994 and 2002.)
