The 2020–21 Singapore circuit breaker measures were a stay-at-home order and cordon sanitaire implemented as a preventive measure by the Government of Singapore in response to the COVID-19 pandemic in the country on 7 April 2020. The measures were brought into legal effect by the Minister for Health with the COVID-19 (Temporary Measures) (Control Order) Regulations 2020, published on 7 April 2020. Singapore was enjoying zero COVID cases until these were changed due to the Delta and Omicron COVID-19 variant from 8 May 2021 to 29 March 2022.