While scientists are yet to come through with a proven coronavirus vaccine, it hasn't stopped governments around the world signing up for some of the most promising candidates.

The Australian Government is reportedly in "advanced negotiations" with a range of different companies and close to a deal that would allow production in Australia.

But what happens if the deals are for vaccines that end up not working? And is Australia at risk of missing out?

On today's show:

* Will Australia have access to a vaccine if/when it is discovered?

* What happens to production of vaccines if they are shown not to work?

* Can the outbreak in New Zealand be traced back to hotel quarantine? What about Victoria?

* How's the are of the virus coming in via cold storage looking?