As Australia's vaccine rollout continues to grow, and more people get the opportunity to be vaccinated, attention is turning to those who can't.

From the 13th September, kids aged 12-15 can get their jab. But many are wondering when - or if - children younger than that may get their chance.

And in Queensland, Premier Anna Palaszczuk has suggested delaying opening up until kids under 12 can get a shot - but there are still no vaccines approved anywhere in the world for that age group.

So on today's Coronacast, what do we know about young children and Delta? And is it fair to wait until they too can be vaccinated?

Also on today's show:

* Does vaccination reduce your risk of long COVID?

* And what do we know about AstraZeneca and booster doses?