According to The Guardian, there is no specific time frame for each phase, but the transition through each phase will depend on the rate of vaccination against Covid-19 and the recommendations and models of experts. Australia is in phase 1, with the main goal being to continue to limit community transmission. Blockade will only be used as a last resort.
The number of international arrivals will be reduced by 50%, at least until early 2022 to reduce pressure on hotels being used as isolation facilities. Fully vaccinated people can be isolated at home after entry, but only for 7 days.
Phase 2 will focus on policy to reduce severe illness, hospitalization and death from Covid-19, instead of focusing on the number of infections per day. The blockade order will be used in special cases when it is necessary to prevent hospitalization and death rates.
Transitioning from phase 1 to phase 2 will require that the majority of the population be fully vaccinated. It is estimated that at least the end of 2021 Australia will have its first dose of all adults, so phase 2 is likely to start in the first half of 2022.
In phase 3, Covid-19 will be treated like a flu and may only need a booster shot every year to deal with new strains. Fully vaccinated people can travel abroad. During this period, there will be no blockade, no restrictions on Australians who have received vaccines from abroad, no restrictions in the country for those who have been vaccinated, increasing the number of international students.
A safe travel corridor with countries that have achieved similar epidemic prevention progress will be maintained. In Phase 4, Australian society will return to its pre-pandemic state, although pre- and post-flight testing for arrivals remains the same.