Victoria recorded 450 new cases of the virus on Friday. Just 75 of those cases have been linked to known outbreaks so far, leaving 375 mystery cases.
Residents and recent visitors to Daylesford are being urged to monitor COVID-19 exposure sites as three were identified overnight.
Most of regional Victoria except Greater Shepparton emerged from lockdown on Friday, with retail and hospitality allowed to reopen under strict rules.
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Shepparton is expected to be released from its lockdown next week, while people in Melbourne are awaiting the release of the state government's roadmap.

Premier Daniel Andrews said the government is waiting for detailed modelling from the Burnett Institute before releasing its plans.
Meanwhile, two Victorians have been sent back to locked down Melbourne after trying to get into Perth to watch AFL finals matches
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