A Victorian couple have been arrested for allegedly breaching Covid-19 border restrictions by sneaking into a locked-out state.

A Victorian couple have been caught allegedly sneaking into South Australia without permission, breaching Covid-19 border rules.

The man and woman, both from Colignan in country Victoria, were arrested at a Moorook South address in the Riverland on Sunday afternoon.

SA Police will allege the pair avoided checkpoints when they drove into the state and did not have required approvals to enter.

The 55-year-old man and 51-year-old woman were each charged with failing to comply with a direction.

They were taken to the City Watch House where they will remain in custody before appearing in the Berri Magistrates Court on Monday via video link.

Both people were tested for Covid-19 and returned negative results.

It comes as a FIFO worker in her 30s tested positive to Covid-19 on Monday.

The miner flew into Adelaide from Melbourne at about 6pm on Sunday night and tested positive after getting tested at Adelaide Airport.

Chief public health officer Nicola Spurrier said the woman who travelled on Jetstar flight JQ778 was “very infectious”.

She said a taxi driver that took the woman to the Quest Hotel on King William St and hotel reception staff have been directed to quarantine as a result.

“The mine requires staff to self quarantine in Adelaide before going to the mine site so this person had gone to the hotel which was the nominated quarantine site for this particular mine,” Professor Spurrier said.

Anyone who has been to the following tier onelocations must quarantine for 14 days with their household contacts and get tested on days one, five and 13:

  • Quest on King William South: Reception area only on Sunday, October 10 from 6.15pm to 7pm
  • Jetstar flight JQ778: Passengers and crew on Sunday, October 10 with a scheduled arrival at 5.45pm

While the flight has been listed as an exposure site, all passengers would already be in quarantine because they came from Victoria.

Adelaide Airport has been listed as a tier four location and anyone who visited the site from 5.30pm to 6.20pm on October 10 must monitor for symptoms and seek immediate testing if they present.

The FIFO worker was one of three new Covid-19 cases; one of them is an overseas traveller in hotel quarantine and the other is the co-driver of an infected truckie that tested positive on Saturday.

A teenage boy tested positive on Sunday after travelling on a Virgin Australia flight with an infected cabin crew member.

The boy travelled on flight VA219 from Melbourne to Adelaide on October 4 and has been in a medi-hotel since he arrived.

Exposure sites connected to an infected commercial transport worker who tested positive on Saturday were also listed on the SA Health website.

The man in his 20s was travelling through the state from Victoria to Western Australia and was tested at Yamba, near the SA-Victorian border.

SA Police escorted the worker to Adelaide where he will complete 14 days in hotel quarantine.

His co-driver’s positive test was counted in Monday’s Covid-19 cases. The man is already in isolation.

It was revealed on Sunday that the truck driver had also been in the state on September 30 on a previous trip.

Anyone who has been to one of the following tier two exposure locations must quarantine for 14 days since being at the location and seek immediate testing on days one, five and 13:

  • Ceduna: OTR Ceduna (including Hungry Jacks) along the Eyre Highway on Thursday, September 30 from 4.45pm to 5.30pm and Monday, October 4 from 1.45am to 2:30am
  • Port Augusta: OTR Port Augusta (including Hungry Jacks) on the corner of Augusta Highway and Northern Power Station Rd on Thursday, September 30 from 10am to 11.45am and Friday, October 8 from 11pm to Saturday, October 9 at 12.30am.
  • Renmark: McDonald’s along Renmark Ave on Thursday, September 30 from 5.15am to 6am
  • Renmark: OTR Renmark along Renmark Ave on Thursday, September 30 from 5.15am to 6am
  • Yamba: Caltex Yamba along Sturt Highway on Friday, October 8 from 3.30pm to 4.00pm

Anyone who has been to the following tier four sites must immediately get tested and isolate until a negative result is received. You must also get retested on days five and 13 but are not required to isolate:

  • Port Augusta: OTR at the cnr Augusta Highway and Northern Power Station Rd on Friday, October 8 from 11.00pm to Saturday 9 October 12.30am
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