1 Unit of Hygiene, Department of Biomedical and Neuromotor Sciences, Public Health and Medical Statistics, University of Bologna, 40126 Bologna, Italy.
2 Pituitary Unit, IRCCS Istituto delle Scienze Neurologiche di Bologna, 40126 Bologna, Italy.
In 2019, vaccine hesitancy (VH), defined by the SAGE working group as "delay in acceptance or refusal of vaccination despite availability of vaccination services" [...].