Millions of Queenslanders are in lockdown again amid fears a hospital worker from Brisbane may have spread the highly contagious Delta variant of Covid-19 to north Queensland.
The premier has expressed disbelief after learning the young woman was not vaccinated but continued to work shifts as a concierge stationed just outside the coronavirus ward of Prince Charles Hospital in Brisbane.
The 19-year-old tested positive on Monday but is believed to have been infectious in the community for about 10 days, and in that time worked two shifts at the hospital and went on a family holiday to Townsville.
Late on Tuesday, authorities confirmed she has the Delta variant, which is twice as contagious as the original virus and can be spread through fleeting contact that lasts just seconds.
One of her close friends and two of her family members are also now ill, and awaiting test results. The concierge also had contact with three other hospital workers.
Large swathes of the state are now under a snap three-day lockdown until 6pm on Friday, when it will be reviewed.
But given how contagious the Delta variant is, how long the worker was freely moving around Brisbane and north Queensland, there is a very real risk she has infected others in both locations.
Entire island population to get tested
The lockdown covers Townsville, nearby Magnetic and Palm islands, and all 11 local government areas in the state's southeast corner.
Every single one of Magnetic Island's 2500 residents has been told to get tested, and authorities have included Palm Island given it has a large Indigenous population that would be more vulnerable to the virus.
Townsville exposure sites include the airport, the city's popular Sunday markets, the ferry to Magnetic Island, and the entirety of the island.
Virgin Australia flight 369 from Brisbane to Townsville on Thursday, June 24, is also an exposure site along with the family's return flight, Virgin Australia, 374, on Sunday, June 27.
In Brisbane exposure sites include the hospital where the woman worked, Brisbane airport, a Woolworths at Sandgate, where the woman lives, and a local gym.
Premier 'furious' about unvaccinated worker
Premier Annastacia Palaszczuk promised an investigation into why the hospital worker was not vaccinated, and expressed exacerbation that unprotected staff continue to show up for work in high-risk environments.
"She should have been vaccinated, she was not. So the health minister will be overseeing that issue in detail," she told reporters.
"I am absolutely furious about this."
The concierge was one of two cases of community transmission reported on Tuesday. The second was another miner who returned to Queensland from a Northern Territory mine where Delta has also been circulating.
But Chief Health Officer Jeannette Young considers him low risk because he's been isolating since very soon after returning to his home at Ipswich, west of Brisbane.
He is the second miner among a group of 170 who returned to Queensland from the mine. All are in isolation and are being closely monitored.
The premier acknowledged the hard, fast lockdown would cause pain but did not offer any new support measures for businesses who will miss days of trading.
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