A 26-year-old man from Logan, south of Brisbane, has tested positive to the coronavirus.

Key points: The man had just returned from a trip to Iran

The man had just returned from a trip to Iran Three people in Queensland remain in isolation after testing positive to COVID-19

Three people in Queensland remain in isolation after testing positive to COVID-19 Anyone who has been overseas recently and feeling unwell is urged to see a GP immediately

He has been placed in isolation in Brisbane's Princess Alexandra Hospital, Queensland Health has confirmed.

The man is the 11th person in Queensland to be infected with the virus.

Eight people have since recovered and been released from hospital.

Queensland Health said the man had recently returned from Iran, and that he was in a stable condition in hospital.

Authorities are working to trace passengers who were onboard a flight from Iran with the man.

He flew into Brisbane on February 26, although health officials are yet to confirm the flight number.

Queensland's chief health officer Jeannette Young said the man had been unwell prior to catching the flight.

"We've asked the national incident room for the manifest of the flight which he was on, so we can contact trace the people who were sitting two rows in front of him on that plane, two rows behind and two either side of him."

The Logan man is in isolation in the Princess Alexandra Hospital. ( ABC News: Stefan Lowe )

Dr Young said they had identified nine people who have come into close contact with the man.

"It's really important that people are alert to any symptoms they have and seek medical advice as soon as they develop those symptoms," she said.

Student's housemate tests negative

Yesterday, authorities revealed a 20-year-old University of Queensland student from China had tested positive to COVID-19 shortly after returning to Australia after visiting Dubai.

He remains in isolation in the Royal Brisbane and Women's Hospital.

The man's housemate had also been in hospital pending test results, but Queensland Health has confirmed those tests came back negative.

Queensland Health said the housemate had now been allowed to go home, but still has to self-quarantine for 14 days.

A 63-year-old woman confirmed to have COVID-19 late last month is in a stable condition in isolation at Gold Coast University Hospital.

Queensland Health is urging anyone who has been overseas in the past 14 days and is feeling unwell to see a doctor immediately.

Health Minister Steven Miles urged people not to stockpile toilet paper, saying there were supports in place for those in self-isolation.

"If you run out of toilet paper, the Red Cross will be able to assist you to get toilet paper, there's no need to be stockpiling toilet paper," he said.

"Please don't tough it out, if you're sick … stay home and seek medical advice."

UQ students 'not worried'

Liam Black said he was confident the university would manage the situation.

"So I am not worried," he said.

UQ students (from left) Seann Boo, Liam Black and Kieran Gibson are not worried by COVID-19. ( ABC News: Lexy Hamilton-Smith )

Chinese student Seann Boo also said he thought UQ "have a handle on it".

Swedish international student Kalyssa Sidoti said she thought COVID-19 was "just a glorified flu".

"More people die of the flu every year than have died [from COVID-19]," she said.

"I am fit and healthy and the chance of something happening to me is so incredibly low it is not worth even a thought."

Her boyfriend Hjalmar Selim said he was not worried at all.

"I am more worried driving on the street because that has a higher risk of actually dying than contracting the virus itself," he said.