There have been two new cases of locally acquired COVID-19 in Queensland, both linked to a Brisbane school where a girl tested positive last week.

The two students attend St Thomas More College at Sunnybank, where a 13-year-old school girl tested positive last week.

The entire school community was sent into home quarantine last week. Households with children at the school are currently serving 14 days in home isolation.

Chief health officer Jeannette Young says there was a low risk of spread because of those arrangements.

However, one of the newly positive students was infectious for a very short period of time before entering home isolation, so additional exposure sites will be listed later on Monday.

“But I’m fairly confident that cluster is in hand,” Dr Young said.

• See all of Queensland’s COVID exposure sites here

Because of that confidence, she immediately lifted visitor restrictions on hospitals, aged care, residential disability care and prisons in southern Brisbane.

There were 14,506 tests and 15,378 vaccines delivered by Queensland Health in the past 24 hours.

That means 56.39 per cent of eligible Queenslanders have had one vaccine dose and 38.08 per cent are fully vaccinated.

Queensland had no new local virus cases on Sunday, after five, all linked to the Sunnybank cluster, on Saturday.

All five were family members of the 13-year-old girl who attends St Thomas More College. The family lives across two different households.

It’s believed the girl was infected by a visitor from NSW. She was exposed when she and her siblings saw their father on Father’s Day and then returned to their mother’s home.

The man, who entered Queensland with two others on September 5, has since returned to NSW. All three men are believed to have crossed the border with the correct passes but police are investigating.

The Queensland-NSW border bubble arrangements resumed at 1am on Monday, allowing essential workers and students in a select number of local government areas, including Tweed Shire, to cross the border.

But they’re allowed to cross only for specific reasons, including for essential work that can’t be done from home, for school, healthcare and caring for vulnerable people. They must have had at least one dose of a vaccine.

-AAP