Four people have tested positive for coronavirus in South Australia outside of hotel quarantine.
The new cases are South Australia's first without a known source of transmission since April 16. That's about seven months ago.
Here's what we know, what we don't know yet and what we should know soon.
Who's been affected?
The first case to be identified was a woman in her 80s.
She was found to have the virus after being treated at the Lyell McEwin Hospital in Adelaide's northern suburbs.
She was there between 5:30pm on Friday and 4:00am on Saturday.
Since she tested positive, two of her close contacts have too.
One is a woman in her 50s and the other is a man in his 60s. One of them is the elderly woman's child.
So far, four other family members are showing symptoms according to SA's Chief Public Health Officer Nicola Spurrier, but they haven't been confirmed as cases yet.
A fourth case linked to the cluster has been identified already though.
They were confirmed a few hours after the first few in an email from SA Correctional Services chief executive David Brown.
The fourth case works at Yatala Labour Prison in Adelaide's northern suburbs and they're a close family contact of one of the earlier cases.
We don't know when this person last worked at the prison — or whether they had contact with the prisoners.
But a female prisoner from a different corrections facility has also been affected because she was at the Lyell McEwin Hospital emergency department when a positive case was there, according to Mr Brown's email.
His email also said the female prisoner was still at the hospital.
Where did the cases come from?
For now, we don't know for sure where the four confirmed cases contracted coronavirus.
But Dr Spurrier has said that a medi-hotel where one of the infected people worked is the likely source.
Medi-hotels are hotels used by incoming travellers and local residents who can't safely quarantine at home.
This is still "very, very early information" though, Dr Spurrier said.
We'll know more soon, once genomic testing has been completed to determine the source.
"Obviously this is where we're considering the source to be," Dr Spurrier added.
Do we know where the confirmed cases went?
So far, we know one of the cases visited the Parafield Plaza Asian supermarket between 10:30am and 11:30am on Thursday.
She was infectious at the time.
So anyone who was there at the same time should monitor themselves for symptoms.
How is SA dealing with the new cluster?
About 90 people who were in the Lyell McEwin Hospital emergency department at the same time as the elderly woman have already been told they must quarantine.
And the Department of Corrections said it was activating a health rapid response team to help with contact tracing efforts at the Yatala Labour Prison.
To help with this, all employees have been asked to stay at their posts.
But that isn't all.
About an hour after the Yatala Labour Prison case was reported, it was announced an Adelaide primary school would close on Monday to undergo a deep clean after a student there was identified as a close contact of one of the latest positive coronavirus cases.
The Department of Education said the Mawson Lakes Primary School and Preschool, also in Adelaide's northern suburbs, would close for at least 24 hours out of "an abundance of caution".
They're going to be contacting the people who need to self-isolate directly.
All staff at South Australian quarantine hotels will now also be getting tested every week.
Are officials expecting more cases?
Officials aren't holding out hope this cluster will stop at four cases.
Dr Spurrier said on Sunday that more people were likely to end up getting infected.
She said this could be a wake-up call for South Australians: "If you have respiratory symptoms, you've got to get tested."
How has this impacted SA residents' ability to travel?
WA has already changed its border rules because of the cluster.
Everyone who arrived at Perth Airport on Sunday from South Australia will need to get tested, if they haven't already. They also need to self-quarantine for 14 days.
Anyone who arrived in Western Australia by road will need to follow the same self-quarantine and testing rules.
And anyone who arrived in the state by any method on Saturday or Sunday can expect to be contacted by WA officials. They'll need to be tested and self-quarantine until the results come back.
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2020-11-15 20:00:00Z
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