Four sites have been identified as tier one exposure sites.
Anyone who attended any of the following venues within the listed times is required to get tested immediately and quarantine for 14 days:
Southern Cross Medical Imaging in Epping on Monday between 9.45am and 10.35am;
Bizzler Take-Away Food on Barry Road, Campbellfield on Sunday between 2.30pm and 3.30pm;
McDonalds Craigieburn on Craigieburn Road West on Sunday between 11.50pm and 12.30pm, and on Tuesday between 1.35pm and 2.20pm; and
Craigieburn Sporting Club on Monday between 10.45am and 2.30pm.
There are four tier our exposure sites within the Hume and Whittlesea municipalities.
Anyone who attended any of the following venues within the listed times should get tested urgently and isolate until receiving a negative result.