Victorian hot spots in lockdown from tonight but acting CMO questions border closures

Victoria has recorded another 73 new coronavirus cases today and residents of Melbourne's hotspot suburbs are preparing to enter lockdown from midnight tonight.

Testing, tracing and doorknocking is underway and police will be patrolling the boundaries of the locked-down postcodes.

Guest:
Professor Raina Macintyre, Head of Biosecurity at the Kirby Institute, University of New South Wales. HEAR Prof Raina Macintyre interview with ABC