Measles

Published on Monday, 10 November 2025 at 11:29:37 AM

There have been 54 cases of measles identified in WA in 2025 year to date.
Measles typically develops around 10 days after being exposed to the virus, but this can vary from 7 to 18 days.
Measles is highly infectious and can spread via airborne droplets to people close by. Droplets in the air may still infect people entering a room up to 30 minutes after an infected person has left it.
Persons who have received two measles vaccinations and those born before 1966 are considered immune to measles, on rare occasions, vaccinated individuals may develop a mild illness.
For more information including exposure sites, please click on the links below:

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