Victoria recorded 92 locally acquired cases overnight.

Essentially, we see far too many cases today for us to be able to seriously consider opening up later on this week," the premier said.

"Obviously with almost 100 cases today, where many of them remain mysteries, many of them were out in the community during their infectious period.

"It is not going to be possible for us to open up our Victorian community in just a couple of days' time.

"We will, however, look at all the different options. We don't yet have advice from the Chief Health Officer as to what is possible, what is safe."

Mr Andrews said that the ongoing lockdowns would be vital to stop Victoria's cases getting to the point that New South Wales had reached.

"If you look to the experience in, say, New South Wales at the moment, I'm sure there are many thousands of nurses, many thousands of doctors, who are struggling with the fact that they will very soon, it would seem, have a thousand patients in hospital," he said.

"We can avoid that. We have avoided that to this point, and we are determined to do that again. I know there is pain and there is challenge and it's tough.

"But this getting completely out of hand is so much harder."

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Meanwhile, no staff and residents at an Echuca aged care site are positive for COVID-19.

Coronavirus commander Jeroen Weimar said authorities had completed more than 200 tests.

"It looks to be under good control," he said.

The recent waste water sampling we've done around the facility has also indicated negative results."

The news comes after a fully vaccinated worker was at the site briefly while notionally infectious.

Another nine cases have been added to regional Victoria's major coronavirus outbreak in Shepparton.

They are spread across 37 different households.

About 1300 people in the area got tested on Saturday and Mr Weimar thanked them for their help.

"I'm also pleased to confirm that we've downgraded two of the school sites, and have been able to do that by the fantastic response we've seen to testing in the Shepparton area and remove those two campuses from our lines of investigation."

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