SA still has restrictions in place for people travelling from Greater Sydney, the Central Coast and Wollongong with people from there not allowed into the state unless they secure an exemption or are an essential worker.

While NSW reported no new locally-acquired virus cases on Monday, it's still to be determined if the six reported on Sunday will re-set SA's clock in terms of requiring 14 days of no community transmission.

Mr Marshall says SA is always looking at how to balance and ease restrictions to protect lives but also allow people to return to a form of normality.

"We'll continue to look at the results coming out of NSW," he said.

"Our transition committee is meeting tomorrow but I think opening up to (all of) NSW is still some time off.

"We don't want to do anything that is going to put us in jeopardy here in South Australia."

Mr Marshall said South Australia was also yet to consider the issue of incentives and restrictions for people who do or don't opt to get the coronavirus vaccine.

"There are a range of issues we're going to have to deal with," he said.

"This is one of the reasons why we've been keen to put in a bit of a buffer between the vaccine rollout in other countries and us here in Australia so we can learn some of those lessons.

"That issue is one that different states will consider over time."

Mr Marshall said it was also important to keep in mind that while the vaccination program would start in February, it would probably take the whole of 2021 to complete.

SA Health reported no new COVID-19 cases on Monday.

SA has 11 active infections, all people in hotel quarantine after returning to Australia from overseas.

There have been no positive cases in any of the tennis players or their support staff currently quarantining in SA ahead of a one-day exhibition tournament later this month.

Australian Associated Press