Three of the new infections reported on Tuesday were returned travellers in hotel quarantine, while five were linked to known outbreaks.
But NSW Health revealed the origin of one new infection from south eastern Sydney remains a mystery.
Pictured: Kincoppal Rose Bay School of the Sacred Heart in Sydney’s exclusive eastern suburbs
New South Wales has recorded nine new coronavirus cases, with Sydney’s CBD cluster hitting 66 cases.
Pictured: medical staff are pictured at a pop-up testing site in Sydney’s east
Three of the locally acquired cases have been traced back to Concord Hospital, including two healthcare workers, and a visitor.
State health authorities have now issued an alert for several venues across Sydney.
<div class="art-ins mol-factbox floatRHS news" data-version="2" id="mol-bd4d5f10-f17a-11ea-9c54-adb90126facb" website new cases of coronavirus are recorded in NSW