The four cases are from the same family across two different households in the Whittlesea area in the outer northern suburbs of Melbourne.
- Jump Swim School, Bundoora: 8.55am-10am, May 21
- Highpoint Shopping Centre: 5pm-8pm, May 20
These venues are classed as Tier 1 and the current advice is to get tested immediately and quarantine for 14 days from exposure.
This afternoon Professor Brett Sutton said he believed the child who has tested positive was part of a swimming class at the Jump! Swimming School on May 21.
He said health authorities do not know yet how many close contacts were at the premises when the positive case attended the centre.
Victorian Health Minister Martin Foley said there were no changes to current COVID-19 restrictions, but the coming days would be telling.
“We are not ruling in or out further measures .. .the evidence will determine our response,” he said.