A fourth case of measles has been confirmed after last month's Jelly Roll concert in Brisbane, prompting authorities to urge attendees to be alert for symptoms.

Queensland Health's metro south unit said a person with the virus had been identified in the Logan region, after three cases linked to the October 24 concert at the Brisbane Entertainment Centre were confirmed on Wednesday.

The person was unknowingly infectious while visiting a number of places, including Mustangs Brothers Football Club on November 8, Mullein Pharmacy at Hillcrest on November 12 and Logan Hospital Emergency Department on November 12, 13 and 14.

"While these locations do not pose an ongoing risk, people who attended these locations during the same time periods may have been exposed to the virus and should monito

See Full Page