COVID-19 pandemic caused many governments to limit the spread of the disease by adding stay-at-home orders, curfews, quarantines, cordons sanitaires and similar societal restrictions. By April 2020, about half of the world's population was under some form of lockdown, with more than 3.9 billion people in more than 90 countries or territories having been asked or ordered to stay at home by their governments.
- "Coronavirus: 7 dead, 229 infected in Italy as Europe braces for COVID-19". NBC News. Archived from the original on 16 May 2020. Retrieved 29 February 2020.
- Coronavirus: Half of humanity now on lockdown as 90 countries call for confinement Archived 19 May 2020 at the Wayback Machine Alasdair Sandford www.euronews.com, 03/04/2020, accessed 31 October 2020