https://www.anvusicilia.it/2020/03/20/ulteriori-misure-per-la-prevenzione-e-gestione-dellemergenza-epidemiologica-da-covid-2019-ordinanza-ai-sensi-dellart-32-comma-3-della-legge-23-dicembre-1978-n-833-in-materia-di-igiene-e-sani/