1. Statement on the Second Meeting of the Emergency Committee of the International Health Regulations (2005) about Outbreak of the New Coronavirus (2019-nCoV)
https://www.who.int/es/news/item/30-01-2020-statement-on-the-second-meeting-of-the-international-health-regulations-(2005)-emergency-committee-regarding-the-outbreak-of-novel-coronavirus-(2019-ncov)
2. International Health Regulations
https://www.who.int/ihr/IHR_2005_es.pdf?ua=1
3. Clinical and virological data of the first cases of COVID-19 in Europe: a case series
4. COVID-19: Timeline of the WHO Action
https://www.who.int/es/news/item/27-04-2020-who-timeline---covid-19
5. COVID-19. Preparedness and Response Progress Report. February 1 to June 30
https://www.who.int/publications/m/item/who-covid-19-preparedness-and-response-progress-report---1-february-to-30-june-2020