If you've been following the daily COVID-19 case numbers in Sydney, you'll know the numbers are steadily increasing.

So far, despite a lockdown lasting weeks and weeks, the NSW Government's restrictions have not yet managed to bend the curve.

The NSW Premier Gladys Berejiklian says the fight against Delta means the old way of doing things needs to be revisited and it needs a different approach.

So on today's Coronacast, does Delta change things? And if so, how?

Also on today's show:

* Research finds infections were three times lower in people who were fully vaccinated