Two university campuses in NSW and Queensland will close after a staff member tested positive for coronavirus and a warning has been issued at a separate, Brisbane-based university after a student contracted the virus.

Southern Cross University will close its Gold Coast and Lismore campuses after the Philippines-based staff member fell ill after returning home following his attendance at a series of workshops in Australia.

The man had attended the sessions at both campuses on March 2 to 6.

He fell ill and was diagnosed with coronavirus on Tuesday.

In the video below: Coronavirus cases grow in Australia

Play Video The number of confirmed coronavirus cases in Australia has now surged past 100. The number of confirmed coronavirus cases in Australia has now surged past 100.

A total of 45 people have been identified as having been in close contact with the staff member.

“Anyone who is feeling unwell is being asked to self-isolate and seek medical attention,” Southern Cross University said on Facebook.

In an email seen by 7NEWS.com.au, the University of Queensland confirmed one of its students had also tested positive to the virus after returning from Europe.

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The student was on the St Lucia campus on March 5 and 6 and was unknowingly infectious at the time.

The universities and health authorities are working to contact the individuals who have been in close contact with both patients.

Queensland’s department of health confirmed on Tuesday there were three more cases of the virus in the state, with a total of 18 being infected.

In NSW, six more cases were confirmed on Tuesday night, taking the state total to 61.