Victoria has recorded one new locally acquired case of COVID-19.
The health department says it is investigating the source of the infection.
There are now seven infections in Victoria where authorities still do not know the acquisition source.
The other mystery cases are a Reservoir household of four and two Victorians who travelled to Queensland before testing positive.
Greece registered 791 new coronavirus infections in the last 24 hours, with one of these identified at entry points to the country, the National Public Health Organization (EODY) reported on Friday.
Greece has confirmed 413,954 infections from the start of the pandemic (daily change: +0.2 pct). In the confirmed cases of the last 7 days, 35 infections are related to travel from abroad and 1,393 to other confirmed cases.
There are also 11 deaths recorded in the last 24 hours, bringing the total of pandemic victims to 12,381. Of these, 95.2 pct had an underlying condition and/or were 70 years old.
A total of 375 patients are on ventilators in hospitals. Their median age is 67 years and 86.9 pct have an underlying condition and/or are aged 70 or more. Another 2,549 have been discharged from ICUs since the pandemic began.
In addition, 119 Covid-19 patients were admitted to hospital in the last 24 hours (daily change of a +16.67 pct). The average admission of patients with Covid-19 to hospitals over the last 7 days was 128.
The median age of new infections is 43 years, while the median age of the deceased is 78.