How casual can a contact be? - a podcast by ABC News

Health authorities in Victoria sounded slightly more upbeat yesterday, thanks to no new cases being posted from the aged care sector.

But worryingly, there are still mystery cases to sort out and what's even more concerning is said to be acting differently than it has with previous outbreaks.

Authorities have described the behaviour as "fleeting", saying it is showing remarkable ability to infect people in settings with only very brief contact.

So on today's Coronacast, with at least four transmissions occurring this way so far, how casual can a contact be?

Also on today's show:

* And it's Wednesday, so it's time for Quick Fire... Friday?

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