Western Australia has recorded five new local COVID-19 cases, including one that has yet to be linked to any known cases and was infectious in the community.
Four of the new cases are contacts of previously reported infections, with two of them having been in quarantine.
WA Health said the other two infections linked to known cases had potentially been infectious in the community.
A further five travel-related cases have also been reported.
In a statement, WA Health said contact tracers were now working to determine potential exposure sites, with seven new locations added to the HealthyWA website on Thursday.
An IGA supermarket in Willagee has been identified as a high-risk exposure site, with people who visited during a 20-minute period on Sunday afternoon required to get tested immediately and isolate for 14 days from the date of exposure.
Six locations require visitors to monitor for symptoms, including two venues at the Belmont Forum shopping centre, a warehouse in Canning Vale, a truck stop in Balladonia, a food venue in Merredin and the Wattle Grove Motel.
Authorities remain concerned about a number of other potential high-risk exposure sites in East Victoria Park, Northbridge, Osborne Park, Applecross and Mount Lawley that have already been linked to the Cockburn Omicron cluster.
Anyone who visited those locations at the times listed online has been urged to get tested immediately and self-quarantine.
There are 79 confirmed active cases of COVID-19 in WA, 23 of which are in hotel quarantine, with the remaining 56 in self-quarantine.
Schools prepare to return
Speaking after the latest national cabinet meeting, Prime Minister Scott Morrison said return-to-school plans would be announced individually by each jurisdiction over the next few days.
At this stage the WA government has not confirmed when those details will be released.
Principals Federation of WA president Bevan Ripp said the lack of a clear plan had created some anxiety.
"The [Education] Department is doing its absolute best to respond to the situation and support its principals," he said.
"But we're finding the resources are limited … there's not an unlimited supply of qualified teachers.
"At the start of any year, a principal is looking for some certainty around the operations of their school and that covers staffing, it covers the availability of resources and support to make sure that their schools are operating effectively.
"So, they are looking for some clear guidelines there and when those guidelines are produced, principals will comply and try to make sure that their schools are running effectively."
Schools 'robbing Peter to pay Paul'
Mr Ripp said while regional schools were feeling the worst of staff shortages, it was not confined to those areas.
"Some of our district high school principals, for instance, are really finding it hard to attract specialist secondary staff and [they are] placing primary teachers into those roles," he said.
"That takes the person out of the primary [system], they've got to then find a replacement for that person and that's not always easy to do either in our regions.
"From a department perspective, there's a lot of robbing Peter to pay Paul to fill some of the gaps."
Aranmore Catholic College principal Declan Tanham said while schools were still without official advice, leaders had some expectations of what could be required.
"We're expecting that students will be wearing masks in classrooms at least, and that social distancing will be observed as best as possible," he told ABC Radio Perth.
He said adjustments were being made to improve ventilation in classrooms.
"The best thing you can do, if you do have filters, is to use them," he said.
"If you don't, to keep cross ventilation happening with air conditioners running.
"That's the best advice we've had at this stage, and I know the authorities are working on that one."
Vaccine debate hits Fremantle
Hundreds gathered outside Fremantle's council building last night to support a petition asking for the city to advocate against vaccine mandates.
According to the meeting's agenda, the petition asked the council to "ask the state government to reconsider the mandate that is being put upon us."
It was voted down 11 to 2, drawing the ire of crowds in and outside the chamber.
Councillor Maria Vujcic, who put forward a motion along the same lines of the petition and that was also voted down, said it was clear people were passionate about the cause.
"People pushed the glass and said 'shame, shame,'" she said.
"I didn't think that was offensive, I didn't think that was an overreach. It was proportional to the disappointment."
Mayor Hannah Fitzhardinge said crowds were well-behaved for most of the night, but that ultimately there was little council could do.
"This is an issue for the state government," she said.
"While we wanted to create an inclusive environment where people could be heard, there is actually nothing in a local government sense that we can do about the requests that people are making of us."
Ms Fitzhardinge said she was proud that Fremantle boasted a double-dose vaccination rate of around 95 per cent, which suggested the decisions of council were in line with the community's views.
