They have found coronavirus fragments wastewater in Colac.

It could indicate an active case or an old one in which someone's body is shedding dead virus matter.

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Testing on Tuesday showed very low levels of the virus in the wastewater system.

Health authorities are urging residents and those who visited the area between November 21 and 23 to get tested and stay home until they get their results back.

A total of 12,177 people were tested for coronavirus on Tuesday, a rise from 6874 the day before.

The Department of Health and Human Services this morning thanked everyone who got tested.

It has now been 33 days since the last active COVID-19 test was recorded in Victoria.

Yesterday, Western Australia announced it would allow unrestricted travel over its borders from December 8 for every state except South Australia, which is currently dealing with a COVID-19 outbreak..

Travellers from NSW and Victoria will still be required to undergo health screening and a temperature check at the airport, complete a G2G pass outlining recent travel and take a COVID-19 test if necessary.

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