Table 1

Details of four time periods

DateNameDescription
1 April 2020 to 30 September 2020T1End of wave 1. Lifting of national lockdown in June followed by series of local lockdowns.
1 October 2020 to 28 February 2021T2Wave 2. Two periods of national lockdown and the tier system.
1 March 2021 to 31 May 2021T3Gradual easing of restrictions.
1 June 2021 to 31 October 2021T4Wave 3. End of all restrictions.