1. WHO: https://www.who.int/fr/news-room/detail/27-04-2020-who-timeline-covid-19.
2. Zanella. L, Claes. V, Activation des plans d'urgence dans tous les hôpitaux belges, Le journal du médecin, 20/03/20: https://www.lejournaldumedecin.com/actualite/activation-des-plans-d-urgence-dans-tous-les-hopitaux-belges/article-normal-46513.html.
3. Service Public Fédéral Belgique: https://www.health.belgium.be/fr/le-plan-durgence-hospitalier-puh.
4. Impact of SARS on healthcare utilization by disease categories:Implications for delivery of healthcare services;Lu;Health Policy,2007
5. National Bank of Belgium, Economic impact of the Covid-19 health crisis: A scenario, April 2020: https://www.nbb.be/en/articles/economic-impact-covid-19-health-crisis-scenario.