An urgent alert has been issued for three upmarket venues in Sydney's eastern suburbs, including a hairdresser popular with celebrities.
Thirteen community transmission cases of Covid-19 were recorded on Wednesday, taking the total number of infections up to 31.
Two venues in the ritzy suburb of Double Bay have now been added to the city's growing list of 15 exposure sites, including restaurant Matteo and the salon of renowned stylist, Joh Bailey.
Joh's owns three other salons across the city and boasts elite clientele, including Olivia Newton-John, Kylie Minogue, Eva Longoria, Elle Macpherson and most notably the late Princess Diana.
A public health warning has also been issued Christo's Pizzeria in nearby Paddington.
Anyone who has been to the venues are considered a close contact and must call NSW Health immediate, get Covid test and isolate for 14 days, regardless of the result.
New exposure sight: On Wednesday, it was announced the Joh Bailey salon was exposed from June 17 to June 19
The majority of the new cases stem from a birthday party on Saturday in West Hoxton, in western Sydney, which included the Bondi Junction Westfield worker.
A man in his 30s was not suffering any symptoms but was tested the next day when they developed and received a positive result on Monday.
All party attendees were ordered into self-isolation, with eight partygoers who came forward for testing on Tuesday found to have contracted the virus.
A day before, a two-year-old child who attended Little Zak’s childcare in Narellan Vale, near Campbelltown, on Monday.
Dr Chant said the outbreak demonstrated how quickly transmission could occur.
'There were about 30 people at that gathering in a house and the person was unknowingly infectious, did not have symptoms, and had not attended venues,' Dr Chant said.
'What you can see is that those test results indicate how quickly the virus was transmitted in that circumstance... And that is on day two after exposure.
'All those individuals would have unknowingly had the infection on Monday.'
Contact tracers are scrambling to determine exposure sites visited by the positive cases.
The Bondi cluster began last week after a Sydney Airport limousine driver tested positive to the highly-infectious Delta variant, which started spreading at Bondi Junction's busy Westfield shopping centre.
For the next week from 4pm on Wednesday, household
