Update, 3.32pm: Active coronavirus cases in Colac have dropped to 87, down from Sunday's figure of 89, with total cases remaining at 109.
Numbers linked to Australian Lamb Colac, the abattoir at the centre of the coronavirus outbreak in the shire, has been removed from the Department of Health and Human Services figures released on Monday.
On Sunday, cases linked to the facility stood at 83.
A new case has been recorded in Glenelg Shire, bringing total active cases in the municipality to 16.
There are now 168 cases in Greater Geelong, 57 in Greater Bendigo, 17 in Ballarat, 11 in Golden Plains, six in Surf Coast Shire, three in Horsham and one in Moyne Shire.
There remains zero cases in Warrnambool, Southern Grampians and Corangamite Shire.
Earlier, 11.30am: Victoria has recorded its deadliest day of the pandemic with 19 deaths and 322 new cases.
The Department of Health and Human Services confirmed the figures on Monday, which bring the state's death toll to 228 and the national figure to 314.
Of those 19 deaths, one was a male in his 50s, one female in her 60s, two males in their 70s, one male and six females in their 80s and one male and seven females in their 90s.
Of the 19 fatalities, 14 linked have been linked to aged care outbreaks.
The previous record for the highest number of fatalities was 17, on Sunday.
There are 640 Victorians in hospital, with 47 receiving intensive care.
There are 2863 'mystery cases' with an unknown source, an increase of 105 from yesterday.
Of the states 7869 cases, 1065 are healthcare workers and 1756 are in aged care.
There remains around 500 active cases in regional Victoria which the premier said was "relatively stable which is a very important objective to keep numbers low and drive them down further."
"I offer my thanks and praise to all Victorians doing the right thing, it's really important we all stay the course on this, it is a wicked enemy which flourishes when we let our guard down," he said.
Premier Daniel Andrews on Monday unveiled emotive new advertisements to be shown on 'every conceivable platform' showing the effects of COVID-19 in a bid to curb rule-breaking.
The clips share the stories of Victorians who have survived the coronavirus.
"These ads give a sense of how dynamic and changing our communication strategy needs to be, they show this virus does not discriminate on people based on age," he said.
"They show the lingering impacts the virus has on peoples quality of life, with the message to follow the rules and do the right thing.
"Those stories show you a really powerful story about what is most at stake, imagine your loved ones with a tube to breathe in intensive care for 32 days.
"Even individual decisions can have a big and profound impact on larger groups."
Health minister Jenny Mikakos announced a new mobile testing program to test vulnerable members of the community in their own home.
"We are starting new testing programs, we know that for some vulnerable people it is challenging for them to present to a testing station, so we're starting a call-to-test program to enable someone to call the coronavirus hotline, where they will be assessed by a nurse and with a GP referral we will go to them and ensure can get tested within a 48 hour period," she said.
"Approximately 200 vulnerable Victorians will have access new this new testing capacity to ensure people with limited mobility and other conditions can get testing in their own home.
"We're making it easier than ever before to get tested and get people the support they need while waiting test results."
Metropolitan Melbourne has been under tough stage-four restrictions - including an 8pm-5am curfew - since August 2, while regional Victoria is under stage-three measures.
Four positive coronavirus cases at Portland in the past couple of days has the city on edge waiting for Monday's breakdown of local government figures.
On Sunday there were 15 active cases in the Glenelg shire, after nine new cases in a second cluster linked to Portland man Kane Kennett in seven days.
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