No new cases of coronavirus recorded in south-west Victoria

More than half of the south-west Victorian corridor remains clear of the virus.

Eight municipalities in the region have zero cases: Warrnambool, Corangamite, Moyne, Glenelg, Southern Grampians, Ballarat, Surf Coast and Golden Plains Shire.

Only five municipalities remain with active virus.

Colac-Otway Shire has 14 cases, a decrease of two.

The Colac cases include six active cases currently linked to Bulla Dairy Foods in Colac, a decrease of two, and six active cases linked to Wydinia Kindergarten in Colac, the same as yesterday.

A total 20 cases have been linked to Bulla Colac and 16 to Wydinia.

There are still three cases in Geelong, two in Moorabool, one in Bendigo and one in Horsham.

There are 30 cases of the virus in regional Victoria, a drop of three from yesterday.

The average number of cases diagnosed in the last 14 days for metropolitan Melbourne is 42.7 and regional Victoria is 2.3, the chief health officer said on Friday afternoon.

Of the total cases, 18,638 cases are from metropolitan Melbourne, while 1199 are from regional Victoria.

Earlier, 12.30pm: THERE are no new mystery cases with an unknown source in regional Victoria as the state has reported 45 new cases in the past 24 hours.

32 of the new cases are linked to known outbreaks.

Sadly, a further five people have lost their lives to the virus, bringing the state death toll to 750.

They are one man in his 50s, one man in his 70s, one man in his 80s, and two women in their 90s.

They are all linked to aged care.

On Thursday, the state reported just 28 new cases - its lowest daily increases in almost three months.

It followed daily increases of 42 on Wednesday, 42 on Tuesday and 35 on Monday.

The 14 day rolling average is 42.7 in metropolitan Melbourne and 2.3 in regional Victoria.

There are 17 cases with an unknown source in metropolitan Melbourne, and none in regional Victoria.

There are 30 active cases in regional Victoria.

Premier Daniel Andrews said there was only one new case in regional Victoria, believed to be in Geelong.

There are 90 Victorians in hospital, with 11 in ICU, and seven are on ventilators.

More than 2.55 million test results have been processed, an increase of 15,910 since yesterday.

There are 4272 mystery cases in the state, no change.

Of the state's 920 active cases, 140 are healthcare workers, 30 are in regional Victoria - just one new case in Geelong - one case is in disability settings a staff member, and 474 are in aged care.

Department of Health and Human Services' Jeroen Weimar said the growing Casey cluster was a cautionary tale to everybody thinking of flouting the rules.

The cluster has grown to 90 active cases in Casey and Dandenong and Mr Weimar said while most the infections occurred in the workplace, there are 34 cases within five households.

The households are across Clyde, Cranbourne North, Hallam and Narre Warren South.

"These five houses in this particular cluster have had, unfortunately, some members of those households visiting other households," Mr Weirmar said.

"This virus thrives on close and indirect human contact."

Premier Daniel Andrews said actions like this could stop the progress of the whole of metropolitan Melbourne.

"The rules are in place for a reason," he said.

"If you break the rules, particularly if you are breaking the rules in your home or somebody else's home, where there is no infection control, there is no formality, all you will do is spread this virus.

"That's why this is disappointing and why this is a strong reminder that no one gets a pass in this, you will be contributing to this going up."

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