New South Wales has 11 new community cases of COVID-19, bringing the total number of active cases linked to the Bondi cluster to 36.
Eighteen new cases were added to the official tally on Thursday, counting every new case recorded in the 24 hours to 8pm Wednesday. Thirteen had been revealed the day before and six will be included in Friday's numbers, bringing the total new number to 11.
More than 48,000 tests were carried out.
"High testing numbers are vital in detecting cases of COVID-19 in order to prevent further transmission," NSW Health said in a statement.
One of the new cases is NSW Agriculture Minister Adam Marshall, who believes he was infected at a restaurant. He fears other Australian politicians might have been infected.
"We had budget day on Tuesday and a lot of people in the parliament, me being one of them," he said.
Three other Nationals have gone into isolation - Trevor Khan, Steph Cooke and Ben Franklin - the ABC reported.
Only senior Coalition members are allowed into the state's Parliament at present, with many MPs and staff locked out for their own safety.
"Staff are not permitted in Parliament House for any reason, including to collect their belongings," an email read.
Sydney hasn't gone into lockdown, instead hoping to stem the outbreak through mask directives and limited travel restrictions.
The total number in the state since the pandemic began is now 5495, and there have been 56 deaths. There are 51 people in hospital at present, none in ICU.
Victoria reported one new community case, bringing its active case number to 52.
New Zealand reported no new cases, despite fears after an Australian tourist who visited Wellington tested positive after getting back home. Nearly 7000 tests were carried out.