Queensland's lockdown will continue after Friday despite the state working to gain control over five unrelated Covid incidents.
Five community cases have been recorded during the lockdown period so far.
Two of the new cases were reported on Thursday after more than 28,000 tests - an 'encouraging' sign the state was getting on top of the virus spreading.
'We've still got another 24 hours to go ... we'll update you tomorrow in relation to whether or not we can leave that lockdown,' Premier Annastacia Palaszczuk said on Thursday
The Queensland government had drawn up a number of contingency plans should lockdown need to be extended.
The state is separately managing a cluster linked to a Portuguese club, a Qatar Airways worker believed to be infected at the airport, the case of a miner who returned from the NT and potential contacts of a Virgin crew member onboard several flights while having the virus.
Premier Annastacia Palaszczuk called the snap three-day lockdown for 3.5million people in south-east Queensland, Townsville, Palm Island and Magnetic Island on Tuesday with the discovery of two new locally acquired cases.
One of them was a hospital receptionist from Brisbane's Prince Charles Hospital who had spent 10 days in the community while infectious with the Indian Delta variant.
The Premier appeared on the ABC's Q&A rogram last night to repeat her claim that hotel quarantine was inadequate to contain the Delta variant.
'I’m telling you we can’t contain this virus,' she said.
'It is now the most infectious strain, the Delta variant, it is going to be more and more difficult
