This article needs to be updated.September 2020)(
|Part of a series on the|
Due to the COVID-19 pandemic, curfews, quarantines, and similar restrictions (variously described as stay-at-home orders, shelter-in-place orders, cordons sanitaires, shutdowns or lockdowns) have been implemented in numerous countries and territories around the world. These were established to prevent the further spread of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which causes COVID-19. By April 2020, about half of the world's population was under 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.
Research has shown that lockdowns are effective at reducing the spread of COVID-19. The World Health Organization's recommendation on curfews and lockdowns is that they should be short-term measures to reorganize, regroup, rebalance resources, and protect health workers who are exhausted. To achieve a balance between restrictions and normal life, the WHO recommends a response to the pandemic that consists of strict personal hygiene, effective contact tracing, and isolating when ill.
Countries and territories around the world have enforced lockdowns of varying degrees. Some include total movement control while others have enforced restrictions based on time. Mostly, only essential businesses are allowed to remain open. Schools, universities and colleges have closed either on a nationwide or local basis in 63 countries, affecting approximately 47 per cent of the world's student population.
Following the precedent set by the lockdown in China's Hubei province in January 2020 and Italy in March, lockdowns continued to implemented in many countries throughout 2020 and 2021. The entire 1.3 billion population of India was ordered to stay at home during its lockdown, making it the largest to date. Lockdowns have been met with opposition and protests in some territories.