Quarantine

====Hubei====
{{further|COVID-19 lockdown in Hubei}}

In Hubei, the origin of the epidemic, a ''[[Cordon sanitaire (medicine)|cordon sanitaire]]'' was [[2020 Hubei lockdown|imposed on Wuhan]] and other major cities in China, affecting around 500 million people, which is unprecedented in scale in human history,<ref>[https://www.abc.net.au/news/2020-02-15/coronavirus-lockdown-in-china-6.5-per-cent-worlds-population/11968114 Coronavirus COVID-19 prompts China to lock down its megacities as the death toll climbs] ''ABC News'', 15 February 2020. Retrieved 26 February 2020.</ref> to limit the rate of spread of the disease. The 'lockdown' of Wuhan, and subsequently a wider-scale 'lockdown' throughout Hubei province, began on 23 January 2020. At this stage, the spread of the virus in mainland China was running at approximately 50% growth in cases per day. On 8 February, the daily rate of spread fell below 10%. {{citation needed|date=July 2023}}