By Aidan Wondracz For Daily Mail Australia and Australian Associated Press
Published: 02:04 BST, 19 September 2020 | Updated: 02:39 BST, 19 September 2020
New South Wales has reported three new COVID-19 cases overnight.
Two cases are from returned travellers currently staying in hotel quarantine.
The other case is a staff member who worked while potentially infectious at Concord Hospital, in Sydney's inner west.
NSW Health said it was investigating how the staff member became infected.
'The case cared for patients with COVID-19 and further investigation is underway to identify how the infection was acquired.
'Contact tracing is underway.'
New South Wales has reported three new COVID-19 cases overnight (pictured, two women wear face masks in Circular Quay)
The other case is a staff member at Concord Hospital, in Sydney's inner west
Four people are currently being treated in intensive care units with two connected to respirators.
NSW had six new COVID-19 cases in the 24 hours to 8pm on Thursday, with just one acquired locally and linked to a known cluster.
Five of the cases were returned overseas travellers in hotel quarantine.
The locally acquired case is a household contact