When the Doherty model was released a few months ago, it set Australia on a path to reopening at various stages of vaccination.

Now that the country has hit 80 per cent double dose for 16+, experts from Doherty, Burnet and other organisations have released new models on what we can expect a little further down the line.

One of the big ones is how schools can remain open - even when positive cases are detected - so long as students are tested regularly via rapid antigen testing.

And the new Doherty modelling has possible ways forward for international arrivals, and vulnerable remote Indigenous communities.

Also on today's show:

* Why is a booster necessary? After having been double vaccinated, even if the antibody level has waned, shouldn't the memory cells of the immune system kick into action?