Melbourne's west is at the centre of the latest exposures, with contact tracing underway in Caroline Springs, Altona North, Spotswood, and Newport.
Today, Bayfit Leisure Centre in Altona North became a Tier One venue.
Anyone who visited the site on Monday, August 2 between 9am and 10.30am must get tested and quarantine for 14 days from the time of exposure regardless of the result.
Poultry Palace in Laverton north is also a Tier One site on the same day between 10.30am and 11.20am.
Da Barber House at CS Square in Caroline Springs was also listed as a Tier One location earlier today.
Anyone who was there Friday, July 30 between 5.45pm and 7.45pm
Wolf Cafe & Eatery in Altona North is also a Tier One venue.
The exposure time is 9.30am 10.45am on Sunday, August 1.
Elite Sports Performance Gym in Spotswood has also become an at-risk site.
Anyone who visited on Tuesday, August 3 between 6.50am and 8.20am must get tested and isolate as per Tier One rules.
Other sites added today include Spectable Hub at CS Square in Caroline Springs on several days this week and Elm Road Family clinic in Altona North on Saturday, July 31.
Al-Taqwa College in Truganina where a teacher tested positive yesterday is listed as a Tier One exposure sites, with more than 2500 staff and students now in isolation for 14 days.
The main exposure period is Wednesday July 28, to Friday, July 30, between 8.30am and 5.00pm each day.
Coles in Yarraville between 4.30pm and 5.30pm on Thursday July 29 was deemed a Tier Two exposure site yesterday.
Another Tier Two location includes Shorten Reserve in West Footscray after one of today's positive cases played footy there on Saturday July 31.
Woolworths and a NAB branch in Caroline Springs are also Tier Two sites, as is an Altona North Pharmacy and a Newport Restaurant.
A full list of exposure sites can be found here.