Fig. 1From: Epidemiology of invasive meningococcal disease and sequelae in the United Kingdom during the period 2008 to 2017 – a secondary database analysisStudy design. CPRD, UK Clinical Practice Research Datalink; GP, general practitioner; HES, Hospital Episode Statistics; ICD, International Classification of Diseases; MD, meningococcal disease; ONS, Office for National StatisticsBack to article page