A fresh measles alert has been issued after a tourist spent four days in Sydney while infectious with the disease.
A measles alert has been issued in NSW after a man spent four days in Sydney while on holiday from Queensland's Gold Coast.
The man, aged in his 40s, was infectious while travelling on Tiger Airways flight TT609 on June 29 and then a train to Circular Quay, NSW Health said on Saturday.
He spent time in Circular Quay, including a stop at Cafe Rossini and a ferry to Manly with a stop at Blue Water Cafe and back that day.
On Sunday, he spent the day with visitors in Sydney before travelling around the city again on Monday, with a trip on public transport from Berowra to Wynyward station and a day spent at The Rocks Discovery Museum, The Australian Hotel and Starbuck's at Hyde Park.
The man caught a train from Central Station to the airport on Tuesday morning and Jetstar flight JQ420 back to the Gold Coast.
It's believed he acquired the measles while in Thailand.
NSW Health urged anyone who may have been in contact with the man to be alert for symptoms of the disease, which can take up to 18 days to appear.
Measles symptoms include fever, sore eyes and a cough followed three or four days later by a red, blotchy rash, NSW Health says.
More than 40 people have been diagnosed with measles in NSW since Christmas.
Despite the high numbers of people being diagnosed with measles, a recent report has shown vaccination rates in NSW are at their highest levels, with more than 95 per cent of five-year-olds vaccinated.