Victoria has recorded 471 coronavirus cases on Thursday, 24 hours after the state recorded its deadliest daily total.
Eight more people have died, taking the state's death toll to 170. Four of the eight fatalities were linked to aged care.
Two men in their 60s, three men and two women in their 80s, and a woman in her 90s died overnight.
Premier Daniel Andrews announced 107 more mystery cases had emerged, while 1533 active cases were connected to the state's plagued aged-care facilities.