A second measles alert was issued for Perth just days after the alarm was first raised.
Travelers on flight SQ225 from Singapore to Perth on Sunday were warned to watch for symptoms of the deadly virus after an infected traveler was on the flight.
Passengers are urged to monitor for symptoms up to 18 days after arrival.
Western Australian health authorities are also urging anyone who was in Terminal 1 at Perth Airport between 5.30am and 6.30am on Sunday to also monitor for possible symptoms.
The latest case of measles in Perth is not related to the first case reported on Tuesday.
They recently returned from South East Asia and visited several public places in Armadale, South East of Perth, from November 30 to December 6.
The first symptoms to look out for include fever, tiredness, cough, runny nose, and sore eyes.
The red, non-itchy rash that accompanies measles usually appears 3 to 4 days after symptoms first appear, starting on the face before spreading throughout the body.
Passengers traveling on flight SQ225 from Singapore to Perth on Sunday are warned to look out for symptoms of measles (file image of measles)
Those with symptoms are advised to call their GP or hospital emergency department before coming in person, as all confirmed cases must be reported to the health department.
“Several countries around the world are experiencing measles outbreaks,” the alert said.
“People who travel to these countries are at risk if they do not have immunity to the measles virus.”
Measles usually develops 10 days after being exposed to the virus and can range from 7 to 18 days.
Anyone who has been in the Perth Airport terminal early on a Sunday morning should also be on the lookout.
If someone has visited an exposure location during the dates and times specified below, they only need to monitor for symptoms 7 to 18 days after the visit.
There were an estimated 10.3 million cases of measles worldwide in 2023, representing a whopping 20 percent increase over 2022 numbers, according to estimates from the World Health Organization and the Centers for Disease Control and Prevention. US Disease Control and Prevention
The two organizations issued a joint statement last month, saying that “inadequate immunization coverage globally is driving the rise in cases.”