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Proportion of IMD cases with specific presenting symptoms (most common ones) by serogroup, the Netherlands, January 2017 to June 2018. Total numbers of IMD cases with information on symptoms varied on serogroups and symptoms: IMD-W, n = 140–142; IMD-B, n = 125–135; IMD-Y, n = 35–36; IMD-C, n = 12–13. Abbreviation: IMD, invasive meningococcal disease.
