Prime Minister Scott Morrison will meet with with state and territory leaders for the third National Cabinet meeting in a fortnight.
The south Sydney outbreak will be a top concern as borders remain shut to New South Wales.
Alternative quarantine arrangements will also be discussed with a home option being considered for vaccinated Australians.
Mandatory vaccines are a possibility for disability, aged care, aviation, and fly-in fly-out workers after an infected worker from Brisbane led to cases in three states.
