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2. European Commission. Coronavirus: Commission lists key steps for effective vaccination strategies and vaccines deployment. 2020. https://ec.europa.eu/commission/presscorner/detail/en/ip_20_1903. Accessed 31 Jan 2022.
3. Italian Government. Gazzetta Ufficiale numero 97, 2020. https://www.gazzettaufficiale.it/eli/gu/2020/04/11/97/sg/pdf. Accessed 31 Jan 2022.
4. Italian Government. Gazzetta Ufficiale numero 76, 2020. https://www.gazzettaufficiale.it/eli/gu/2020/03/22/76/sg/pdf. Accessed 31 Jan 2022.
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