1. WHO Director-General’s opening remarks at the media briefing on COVID-19 - 11 March 2020;World Health Organization,2020
2. Coronavirus disease (COVID-19) outbreak statement regarding cluster of pneumonia cases in Wuhan, China;World Health Organization,2020
3. John Hopkins University. Coronavirus COVID-19 Global Cases by the Center for Systems Science and Engineering (CSSE). https://www.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6 [Accessed 12 March 2020].
4. European Centre for Disease Prevention and Control. Daily risk assessment on COVID-19, 9 March 2020. https://www.ecdc.europa.eu/en/current-risk-assessment-novel-coronavirus-situation [Accessed 10 March 2020].
5. Governo Italiano. Presidenza del Consiglio dei Ministri. Coronavirus, Conte firma il Dpcm 11 marzo 2020, http://www.governo.it/it/articolo/coronavirus-conte-firma-il-dpcm-11-marzo-2020/14299. [Accessed 12 March 2020].