Nearly two weeks into Sydney's lockdown, and yesterday the state has recorded its highest daily number of COVID-19 cases in the outbreak so far.

It's not good news for residents, as many of the cases were in public while infectious - which may lead to further chains of transmission.

It's also becoming clearer that this outbreak is dragging on longer than hoped, and it seems the epidemiological figures back that up.

So on today's Coronacast, if something doesn't change in Sydney, the lockdown may last for quite a while yet.

GUEST:

Adrian Esterman, Professor of epidemiology and biostatistics at the University of Adelaide

NOTE: The episode's audio incorrectly refers to Professor Esterman as being from the University of Adelaide. He is from the University of South Australia. The transcript has been amended to reflect this.