Anybody who attended the store on Tuesday, July 6, between 10am and 9pm is considered a close contact and must immediately get tested and isolate for 14 days.
The coronavirus case means about 2000 more people are considered close contacts.
The non-clinical staff member was at work at Waratah Private Hospital in Hurstville on Monday and Tuesday of this week while sick with the disease.
All affected patients are currently isolating in single rooms. None have tested positive thus far.
“Staff are wearing full PPE while caring for these patients. Other close contacts, including patients who have been discharged, are being contacted,” NSW Health said in a statement.
“Due to the current stay-at-home order, there were no visitors to the hospital during the exposure period other than those given exemptions to attend for end-of-life visits.”
Anyone who attended the following venue at the times listed is a close contact and must immediately get tested and isolate for 14 days, regardless of the result:
Anyone who attended the following venues at the times listed is a casual contact who must immediately get tested and isolate until a negative result is received:
NSW Health said the fragments had been found in the Boronia Park catchment, which takes in Melrose Park, Carmellia, Northmead, Constitution Hill, North Parramatta, Telopea, Denistone, Denistone West, Dundas Valley, Dundas, Carlingford, Oatlands, North Rocks, Ermington, Parramatta, Baulkham Hills, Rydalmere, Winston Hills, Woolwish, Huntleys Point, Huntleys Cove, Henley, East Ryde, Meadowbank, Gladesville, Tennyson Point, Putney, Hunters Hill, Denistone East, Ryde, Eastwood and West Ryde.
In a statement, NSW Health said “this is the first detection at this site and NSW Health is not aware of recently diagnosed cases of COVID-19 in this area”.
People in these regions are urged to be especially vigilant for any potential symptoms and get tested if any manifest.
Coronavirus has also been detected in sewage at the Bateau Bay treatment plant, and the Port Kembla treatment plant.