"On 2nd July 2021, National Cabinet agreed to formulate a National Plan to transition Australia’s COVID response. The plan consists of four phases defined by achievement of vaccination thresholds broadly expressed as a percentage of the eligible population (aged 16+ years)."
This is the report on that plan by the The Peter Doherty Institute for Infection and Immunity:
Doherty Modelling Report for Australian National Cabinet 30 July 2021 by clarencegirl on Scribd
https://www.scribd.com/document/518563585/Doherty-Modelling-Report-for-Australian-National-Cabinet-30-July-2021