Alert highlights threat of measles outbreak

Queensland, NSW and Victorian authorities have all issued their own warnings after a spate of cases in each state.

The latest warning comes after a passenger travelling from Brisbane to Sydney on Saturday was confirmed on Wednesday to have the illness.

The foreign tourist is the third confirmed measles case in Queensland in the past two weeks and became unwell after visiting Cairns on August 16.

The holidaymaker had spent time on Fitzroy Island, Townsville, Airlie Beach, Rockhampton, Hervey Bay and Fraser Island before flying to Sydney from Brisbane on Saturday.

Health authorities in Queensland and NSW have issued alerts in a bid to avoid an outbreak, but say the risk to the public is considered very low.

Meanwhile, 10 measles cases in just three weeks have been detected in Victoria.

A Melbourne man has been linked to four cases in Victoria and one in Queensland after his diagnosis earlier this month prompted health