Please attribute to a NSW Health spokesperson:
Since Sunday 2 February, a total of 16,804 people have been assessed at Sydney International Airport. A total of 64 were sent for testing.
This includes testing conducted today (as at 1pm) where 503 arrivals from mainland China were assessed at Sydney International Airport. One was sent for testing.
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.
NB: 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.