- Bacchus Marsh Grammar has closed after a teacher tested positive to COVID-19
- Thousands of the school's students have been sent home
- The MCG has been listed as an exposure site after an infected person attended the Carlton-Geelong game on July 10
- A man in his 60s who lives at the Ariele apartment complex
- The man's 89 and 90-year-old parents who live in Craigieburn
- Three members of the same household who live in the Ariele apartment complex
- The Bacchus Marsh teacher and two members of his family
"This virus jumps at a very significant speed and these leaks can be very damaging,"he said.