In its latest COVID alert, NSW Health has singled out just one venue.
A Northern Beaches barbershop was visited by a COVID-infected person on January 6 between 11.30am and 12 noon.
The venue is The Groomsmen Barber Shop in Warriewood Square.
Anyone else who went to the venue at that time is considered a close contact and must get tested for coronavirus and self-isolate.
NSW has recorded five new local COVID-19 cases overnight, including four which are yet to be linked to known clusters.