Six people who came to Queensland from the Melbourne hotel at the centre of a suspected case of COVID-19 transmission between guests are being sought for testing.
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They all came to Queensland during the period when there was a potential breach or transmission at the hotel, Chief Health Officer Jeannette Young confirmed
"We're just chasing those six people up and testing them as we speak," she told reporters on Thursday.
Guests in adjacent rooms at Melbourne's Park Royal Hotel tested positive for the more infectious B117 coronavirus variant and a Victorian hotel quarantine worker tested positive for COVID-19 in a separate incident.
Queensland's border will stay open to Victoria but people have been asked to reconsider travel plans.
Those currently in Queensland who have been in the Victorian capital since January 29 have been asked to get tested immediately.
"Anyone who has been in Greater Melbourne from the 29th onwards needs to come forward and get themselves tested," Dr Young said.
People who visited one of the Melbourne venues listed as potential exposure sites have been asked to quarantine for 14 days as well as get tested.
Those who are unsure if they need to quarantine should call 13 Health.
While border restrictions are not required at this stage, Dr Young advised people planning to travel to Melbourne to reconsider their plans.
"If they don't need to travel, if there isn't urgency, they should delay their travel until all of this is worked through," she said.
Hospitals, prisons, aged care facilities and disability accommodation are also closed to visitors who have been in Greater Melbourne since January 29, aside from end-of-life visits.
There were no new cases recorded in Queensland overnight and it has now been 29 days since the state had a case in the community.
Having passed the 28-day threshold, Health Minister Yvette D'Ath declared the Hotel Grand Chancellor cluster over.
Ms D'Ath received the report from an investigation into how the virus spread in the hotel on Wednesday afternoon and further details are expected in coming days.
"I'm still going through the report, I see no reason to have redactions in that report," she said.
"We have ruled out the air conditioning because the two rooms were on different air-conditioning systems.
"There is no breach of a hotel worker going into rooms against protocol and there is no evidence of people ... guests, who were quarantining in their rooms, breaching that protocol and coming out against those practices."
Further investigations are also under way for three people who have recently come forward for testing.
Two of the cases had returned from Western Australia after testing positive and undergoing quarantine.
After returning to Townsville and the Sunshine Coast, the pair tested positive again, but Dr Young said it was most likely a case of virus shedding.
"It's most likely just their infection that they brought from overseas that they had cleared and now they've had some more shedding," she said.
A third woman from northern Brisbane developed symptoms and got tested, and Dr Young said she most likely recorded a false-positive result.
"She has tested positive on one gene that we look at when we test," she said.
"We're working with her and any close contacts to see if there's anything there that needs to be done."
Australian Associated Press
