There are zero cases in Warrnambool, Ballarat, Corangamite, Glenelg, Golden Plains, Bendigo, Moyne, Southern Grampians and Surf Coast.

The average number of cases diagnosed in the last 14 days for metropolitan Melbourne is 23.6 and regional Victoria is 0.8.

The total number of cases from an unknown source in the last 14 days is 31 for metropolitan Melbourne and zero for regional Victoria.

Earlier, 4.30pm: Victoria has had one more coronavirus death as Melbourne's new case average continues to fall.

The death takes the state toll to 782 and the national figure to 870.

It was a woman in her 80s and linked to aged care.

There were 12 new cases, while Melbourne's 14-day average fell again on Saturday to 23.6.

It is only 0.8 in regional Victoria.

Five of the new cases are linked to known outbreaks, seven are under investigation and one was re-classified.

Three cases are linked to outbreaks in aged care and two in Greater Dandenong.

There are 53 Victorians in hospital, with nine in ICU, and five on ventilators.

More than 2.65 million test results have been processed, an increase of 16,027 since yesterday.

Premier Daniel Andrews flagged new roadmap announcements tomorrow.

"Tomorrow there will be an announcement but without a clear picture and strong testing we can't take those steps," he said.

There are 4270 mystery cases in the state, an increase of two

Of the state's 444 active cases, 72 are healthcare workers, 10 are in regional Victoria - an increase of one - four cases are in disability settings and 231 are in aged care.

"In order to take the next step tomorrow we were targeting a rolling average between 30 to 50 and it's fair to say we are ahead of schedule," he said.

Meanwhile, after six weeks of hearings at the $3 million hotel inquiry, it is still not known who made the decision to use security guards instead of the police or the Australian Defence Force, which assisted in other states.

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On Saturday the Premier, in the wake of Health Minister Jenny Mikakos' resignation, announced Mental Health Minister Martin Foley will be sworn in as the state's new Health Minister.

He said he did not speak to Minister Mikakos before she announced her resignation via social media on Saturday morning.

"I did not ask Jenny Mikakos to resign, I didn't get a chance to, I believe it was an appropriate course of action," he said.

"She made the right choice and she made that choice.

"She's a very hardworking person and I'm grateful to her for her efforts and commitment to parliament and to the people of Victoria and I wish her well for the future.

"As to detailing further to the matter, it's for the inquiry to make its findings and come to those conclusions.

"I did not speak with the minister before she resigned and we have not spoken since, she sent me a text."

"As to the detail pf what motivated her you will have to speak to her, my job is to wait for the inquiry findings and take the necessary actions to ensure the mistakes occurred here can never be made again."

The Premier said other ministerial arrangements and portfolio changes would be announced later today.

"I will be back here tomorrow and I will make announcements that will prove our positive strategy is working, I know it's tough but ultimately we are getting the numbers down faster than we thought, and that's a credit to everyone doing right thing.

"I'm determined to find a COVID normal which is still a few weeks away.

"Today is not the day to make announcements but we will have meetings into the evening and announce them tomorrow morning.

'The ultimate accountability is with me, the new health minister will be sworn in, this pandemic doesn't take a break, we have to get these outcomes delivered."

The Premier said there will not be a by-election for Mikakos' seat in Parliament, and will be an "internal party process".

He said he would not be resigning.

"I don't run from problems and challenges."

"We are in the cooling off of the second wave of a global pandemic, we are on the edge of a significant statement from the premier that will be made tomorrow," Minister Foley said.

"I would like to acknowledge effort of the Victorian community, who have driven the numbers down faster than the roadmap forecasted.

"The efforts of Victorians should be congratulated, and the effort of our healthcare workers, to achieve what they have achieved is outstanding.

"I have nothing but confidence in the secretary and the department."

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