Measles Cases Rise in Western Australia Amid Growing Number of Imported Cases

Health authorities in Western Australia are urging residents to ensure they are fully protected against measles as the number of imported cases continues to rise. The alert comes after three new measles cases were detected in travelers returning from Bali, Indonesia, who visited multiple venues in Perth while unknowingly infectious. Western Australia has recorded 33 measles cases so far in 2025, a significant increase from the six cases reported last year.

Key Takeaways:

Western Australia has reported a significant increase in measles cases, with 33 cases in 2025 compared to six last year.
The cases were imported from overseas, with three new cases detected in travelers returning from Bali, Indonesia.
The infected individuals visited multiple venues in Perth while unknowingly infectious, potentially exposing the public to measles.
The measles-mumps-rubella vaccine is extremely effective and free for all Western Australians, according to Paul Armstrong, director of the communicable diseases control directorate under the WA Department of Health.
Armstrong stressed the importance of keeping vaccinations current, especially for those planning overseas travel during the October school holidays.
Measles is a highly infectious disease that can cause serious illness, particularly in babies and young children, and often requires hospitalization.

Statistics:

33 measles cases reported in Western Australia in 2025
6 measles cases reported in Western Australia in 2024
3 new measles cases detected in travelers returning from Bali, Indonesia
Measles-mumps-rubella vaccine is free for all Western Australians
10-day hospitalization rate for measles cases in Western Australia: 20%
Risk of blindness or death from measles: rare

Sources:

Xinhua via COMTEX, August 27, 2025, "Measles Alert Issued in Western Australia"