Australia opens its international borders to vaccinated skilled workers, students and working holiday makers.
The NSW health minister says modelling shows the state could see up to 25,000 cases of COVID a day by the end of next month.
South Australia has reported its highest daily figure of COVID-19 in more than 18 months, recording 26 new cases.
Following a public backlash, Queensland will release dozens of plane passengers from quarantine in time for Christmas.
