Fig. 2

Distribution by geographic location of OS (with age at IMD diagnosis) and EE, and by IMD serogroup. ACWY/B IMD: single or multiple serogroup(s) A,C,W,Y or B invasive meningococcal disease; EE: economic evaluation; EU European Union (i.e., Austria, Germany, Lithuania, Netherlands, Spain, Switzerland, UK); OS: observational study; UK United Kingdom; US United States; SIGN: Scottish Intercollegiate Guidelines Network. Sequelae selection criteria for comprehensive map (from OS) and EE-relevant list (from OS+EE), with sequela proportions from studies with highest SIGN rating and number of outcomes. The distribution of the 66 observational studies (OS) and 34 health economic studies (HES) by country (if > 2 studies conducted per country), and by serogroup