Frozen yoghurt and bubble tea outlet Bubbleberry in Wollongong's Market Street has emerged as a new venue of concern, following a visit from a COVID-19 case.
Anyone who visited between 6pm and 6.05pm on Saturday, July 17 is considered a close contact and must get tested and isolate for 14 days, regardless of the result.
Wollongong Dermatology and BP Truckstop in Fairy Meadow were already known exposure sites, but NSW Health has now added them to the venues of concern.
Anyone who visited the dermatology clinic between 9.30am and 11am, or the petrol station between 10am and 10.05am, last Thursday, July 15 is also a close contact and must get tested and isolate for 14 days.
Priceline in Dapto is also listed as a venue of concern, but anyone who attended between 2.15pm and 2.45pm last Friday is regarded as only a casual contact.
This means they must get tested immediately but do not have to isolate once they receive a negative result.
Similarly, anyone who visited the 7-eleven at West Wollongong on Tuesday, July 6, and Wednesday July 7, 7.30am to 2pm should get tested immediately and self-isolate until they get a negative result.
Another Wollongong resident has tested positive for COVID-19, with health authorities now naming the city as an area of concern.
NSW recorded 110 locally acquired cases in the 24 hours to 8pm Tuesday, of which at least 43 were infectious in the community and another 17 were only in isolation for part of their infectious period.
Authorities are still investigating the isolation status of 13 cases.
During Wednesday's press conference, deputy chief health officer Dr Jeremy McAnulty listed Wollongong as one of the areas of concern.
The Wollongong resident is the fourth to have tested positive for COVID-19 in recent days.
This case is linked to the other three, and all four people are isolating at home.
Any close contacts of new cases will be contacted by the Illawarra Shoalhaven Local Health District and must isolate for 14 days, regardless of whether or not they test negative for COVID-19.
Late Tuesday night, NSW Health named Priceline in Dapto as a venue of concern.
Anyone who visited the pharmacy between 2.15pm and 2.45pm last Friday, July 16 must get tested immediately and isolate until they receive a negative result.
Several other businesses in the Dapto and wider Wollongong area have also been visited by a COVID-19 case, although NSW Health has not considered all of them to pose a risk to public health.
They include Woolworths in Dapto, Dapto Medical Doctors and the 7-Eleven store in Dapto.
"I want to stress that you might not have any symptoms and not know you have the virus, and still be infectious," Premier Gladys Berejiklian said.
"Those 43 people haven't necessarily done the wrong thing.
"But what it does show is how infectious and contagious it is, so it means that every time you have contact with another human being, you risk either getting the virus, or passing the virus on."
While the case numbers were stubborn, Ms Berejiklian said NSW had stemmed the growth of the virus.
She said the high case number also reflected the record number of people getting tested (see story below).
Ms Berejiklian said the effects of the tighter restrictions were yet to be seen.
"We need to wait until at least the weekend and early next week to see the impact of those harsher restrictions," she said.
Wollongong's mass vaccination centre is still due to open mid-August in the former David Jones building in the Crown Street Mall, as work on the hub is exempt from the construction shutdown.
The centre will initially have the capacity to administer up to 15,000 Pfizer vaccine doses each week.
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