New South Wales has recorded six new coronavirus cases.
One is a person already in hotel quarantine, but the other five have contracted the virus from an unknown source.
Those cases include a man and a woman in their 40s who are close contacts of each other and a trainee bus driver who had only limited contact with passengers.
According to the state’s Chief Health Officer Kerry Chant, he worked while infectious for a single day and was wearing a mask.
She added the risk to passengers is low, but health officials are working with transport to identify any potential contacts.
It comes as a number of schools were forced to close in Sydney this morning, due to concerns several students may have been exposed to COVID-19.
None have tested positive as yet.
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