“…Concerning vaccinations, both mandatory (diphtheria, tetanus, poliomyelitis and hepatitis B) and non-mandatory vaccinations (pertussis, Haemophilus influenzae type b, measles, mumps and rubella) are included in the essential health care interventions, and must by law be provided to all children free of charge across Italy (Alfonsi et al, 2011). Until the approval of the last PNPV in 2012, varicella vaccination was not included amongst immunizations to be offered free of charge to all children, and the regions adopted different varicella vaccination policies.…”