1. Coronavirus disease (COVID-19) Situation Dashboard [Internet]. [accessed 3 apr. 2020]. Available: https://experience.arcgis.com/experience/685d0ace521648f8a5beeeee1b9125cd
2. Ten health issues WHO will tackle this year [Internet]. [accessed 3 apr 2020]. Available: https://www.who.int/news-room/feature-stories/ten-threats-to-global-health-in-2019
3. Lurie N , Saville M , Hatchett R , Halton J. Developing Covid-19 Vaccines at Pandemic Speed. New England Journal of Medicine. 30 march 2020;0(0)
4. Le TT, Andreadakis Z , Kumar A , Román RG , Tollefsen S , Saville M ,et al. The COVID-19 vaccine development landscape. Nature Reviews Drug Discovery [Internet]. 9 apr 2020 [accessed 12 apr 2020]; Disponible sur: http://www.nature.com/articles/d41573-020-00073-5
5. Eyal N , Lipsitch M , Smith PG . Human challenge studies to accelerate coronavirus vaccine licensure. J Infect Dis [Internet]. [accessed 3 apr 2020]; Available on: http://academic.oup.com/jid/advance-article/doi/10.1093/infdis/jiaa152/5814216