Knowing for sure how long a lockdown will last is almost impossible, but scientific modelling might help us at least get a ballpark idea.

NSW yesterday recorded 112 new COVID-19 cases, despite being in lockdown for the last few weeks.

Modelling from the Burnet Institute has shown that while the current lockdown settings will work, it'll take months for caseloads to drop significantly.

So on today's Coronacast, what could help reduce the amount of time?