Please attribute to a NSW Health spokesperson:

Since Sunday 2 February, a total of 11,924 people have been assessed at Sydney International Airport. A total of 55 were sent for testing.

This includes testing conducted yesterday (8 February) where 1,451 arrivals from mainland China were assessed at Sydney International Airport. Five were sent for testing.

Of the four confirmed cases, 3 patients have been discharged, a 53 year old male, a 35 year old male and a 21 year old female.

One patient remain in hospital, a 43 year old male.

No new patients were confirmed overnight.

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.