It seems short, sharp lockdowns are the new black, and are now being used regularly down the east coast of mainland Australia.

Brisbane's short, sharp lockdown lifted yesterday, but Victoria, Cairns and parts of regional NSW have all entered one since last week.

So are we going to see large parts of Australia enter and exit lockdown until enough of us are vaccinated?

Also on today's show:

* Why you may be better covered by getting AstraZeneca today, rather than waiting for another option

* You spoke about a study that indicated that Pfizer is 88 per cent effective at preventing symptomatic disease. Does that also mean that the remaining 12 per cent means that even if you do get symptoms they are likely to be far less severe?