Victoria has recorded another two coronavirus deaths, taking the state toll to 802 and the national figure to 890.
There are seven new cases, as Melbourne's 14-day average drops to 12.8 and the regional figure to 0.2.
From September 16-29 there were 14 cases with an unknown source in Melbourne and none in regional areas.
The latest numbers come as health authorities confirm two workers in the state government's revised hotel quarantine program were on duty while infectious.
The Department of Health and Human Services says the workers, among nine who have tested positive since the program was overhauled, were asymptomatic at the time.
The DHHS also says the latest positive case was in late August.
On Friday, Victorian Attorney-General Jill Hennessy said the hotel quarantine program would now have "strong and accountable leadership in terms of the structures that we are now using to deliver emergency accommodation - making sure that we have got proper oversight, audit and proper checks and balances."
The hotel quarantine program, which sparked the state's second wave of COVID-19 infections, is now being run by Corrections Victoria.
"The one message is that we are really confident in the reset and when (international) flights arrive, we certainly will be ready," said Corrections Victoria Commissioner Emma Cassar.
Staff from Spotless were replaced by police mid-shift on Wednesday at the Novotel in Southbank, after a healthcare worker told The Age she feared their practices would lead to further COVID-19 outbreaks.
Victoria's hotel quarantine program was overhauled in June after private security guards caught the virus from returned travellers and spread it into the community, sparking the state's devastating second wave.
Five of the nine hotel quarantine workers to test positive to coronavirus since the overhaul are Spotless employees.
One was a DHHS staff member and another was a Victoria Police officer, while the other two were agency staff according to the department.
The Victorian government maintains they did not contract the virus at work.
According to State Chief Health Officer Brett Sutton, there were no further transmissions from the nine infected staff into the community.
The DHHS also said three of the infected staff members had contact with known outbreaks - one connected to Victoria Police, one an aged care facility and one a public housing outbreak - while five were in households.
The other positive case was likely through community transmission, the DHHS said.
Victorian health authorities also insist a popular Melbourne shopping centre is safe for visitors as a COVID-19 cluster linked to the site swells.
Of Thursday's 15 reported cases, four were linked to the Chadstone shopping centre outbreak that has now grown to eight people and includes a family in Frankston.
Deputy Chief Health Officer Allen Cheng said the centre had been deep-cleaned and relevant staff contact traced.
"It is perfectly safe to go back into Chadstone at this time," Dr Cheng said.
On Friday, Premier Daniel Andrews said the Chadstone outbreak showed why it is not yet safe to further ease state restrictions.
"If we were to open up now, just as our modelling tells us, just as our experts confirm for it, one of it or even a handful of these events won't be a handful of cases. It will be many hundreds of cases," he said.
