Fig. 1

a-b Acute Flaccid Paralysis by Italian Regions, years 2015–2016. Incidence rates per 100,000 children, data from Hospital Discharge Records (a); Difference between the number of reported and expected cases, data from the National Surveillance System (b). The maps have been produced using Stata software, version 13 (Stata Cooperation, College Station, Texas, USA)