Please attribute to a NSW Health spokesperson:
Of the four confirmed cases, all patients have been discharged, a 53 year old male, a 35 year old male, a 21 year old female and a 43 year old male.
No new patients were confirmed overnight.
NSW Health is taking a precautionary approach to the prevention of COVID-19, assisting the Australian Government in assessing passengers who arrive at Sydney Airport who have been in China in the previous 14 days and assessing passengers arriving on some cruise ships into Sydney from international ports.
Since Sunday 2 February, a total of 17,783 people have been assessed at Sydney International Airport. A total of 65 were sent for testing. This includes testing conducted this morning where 198 arrivals from mainland China were assessed at Sydney International Airport. One person was sent for testing.
This morning, passengers and crew from 2 cruise ships docked in Sydney Harbour from international water were assessed. No outbreak of COVID-19 has been identified on board either of the vessels.
The figures refer to people who are in NSW and have been investigated for, or have been diagnosed with novel coronavirus.
We will not be disclosing the hospital locations of patients under investigation for privacy reasons.