Estimation of the Impact of Meningococcal Serogroup C Universal Vaccination in Italy and Suggestions for the Multicomponent Serogroup B Vaccine Introduction

Figure 1

Venn diagram of the number of meningococcal meningitis cases identified by the three sources MIB^#, SIMI^##, and HDR^### () in the Puglia region, within 2001–2013. ^#MIB, Invasive Bacterial Diseases Surveillance; ^##SIMI, Infectious Diseases Routine Notification System; ^###HDR, Hospital Discharge Registry.