Six Queensland patients tested negative for novel coronavirus on Sunday afternoon, meaning there are no confirmed cases in the state.

Nationally, four cases have been confirmed – three in New South Wales and one in Victoria – with all four in hospital quarantine in a stable condition.

A team of 20 at UQ is in the process of creating a vaccine after receiving a DNA sequence from China. Credit:Jocelyn Garcia

Queensland Chief Health Officer Dr Jeannette Young said the health department was contacting four people who had been on the same flight as the Victorian patient.

Contact tracing was also underway in relation to the NSW patients, she said.