Victorian Premier Daniel Andrews urged people not to jump to conclusions about the Shepparton outbreak.

He said everyone can be confident police will look at the Shepparton matter and any other matters they think appropriate.

"The people of Shepparton are doing it very tough at the moment but they're doing an amazing job," he said.

Mr Andrews said he had not been briefed on the investigation into the funeral.

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Victoria Police Chief Commission Shane Patton confirmed police and the health department are investigating a "large funeral" held in Shepparton in the lead up to the outbreak.

"I know we're looking at what the numbers were as to whether they exceeded (the 50-person limit)," he told 3AW radio.

The Shepparton outbreak has grown to 36 people over eight households

COVID Commander Jerone Weimar said of the 71 COVID cases recorded in Victoria in the 24 hours to midnight 14 were linked to the Shepparton outbreak.

There is also one case in the Mansfield region. North East Health revealed on Sunday a man from outside Wangaratta tested positive after attending Wangaratta Hospital.

Among Victoria's 71 new cases of COVID are staff at the Royal Melbourne Hospital, who cared for a Shepparton man infected with COVID-19.

It was revealed on Sunday the man was not tested before being admitted for surgery on August 12.

He had been in various parts of the hospital, including the ICU and a cardiac ward.

A family member who visited a patient in the same room as the man later tested positive, alerting the hospital to the outbreak.

Hundreds of health workers at the hospital have been forced into self-isolation due to risk of exposure.

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An outbreak during the state's second wave shut down four wards and infected about 200 staff members.

Mr Patton also said the number of officers injured during a violent anti-lockdown protest held on Saturday has grown to 21.

While eight of the nine officers taken to hospital have been discharged, one remains and is being assessed for surgery for a leg injury.

Mr Patton has described the protest as one of the most violent the city has seen in 20 years, with officers forced to use non-lethal weapons to defend themselves.

"The vast majority appeared to be between 25- and 40-year-old angry men," he told ABC Radio.

"It was a mixture of a range of people with no clear leadership, just many people came in with an intention to confront police and with anger and confrontation on their mind, and that's what occurred."

In the 24 hours to Monday morning, 46,446 tests were processed and 22,191 vaccine doses were administered at state-run hubs.

Australian Associated Press