South Australia has spent the first night of a week long lockdown after discovering a bunch of community cases of the highly infectious Delta variant.

It's a different way of handling an outbreak, especially when compared to NSW which waited much longer before declaring a lockdown.

So why do we still see some states act faster than others? And has the Delta variant changed the way contact tracing can help avoid locking down.

Also on today's show:

• More concerns about testing times in NSW and a possible way to reduce the stress on the system

• Whatever happened to deep cleaning?

• How can you consult your GP about vaccines if you don't have one?