The World Health Organisation identified COVID-19 as an international health emergency on 30 January.
In March, nationwide regulations were introduced to encourage social distancing which impacted the ability of businesses to trade as normal. Movement across state borders were also restricted.
In July 2020, Victoria saw increased regulations, especially in Melbourne, that remained in place for much of August through to the end of October.
South Australia saw restrictions introduced and removed within November. Increased restrictions were introduced within Greater Sydney from 20 December, including restrictions on the number of guests per household. Queensland saw restrictions introduced in Brisbane from 8 January 2021.