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Is measles contagious?

Page last updated 19 January 2022

Yes. Measles is highly contagious – so much so, that around 90% of non-immune people who are exposed to the measles virus are thought to become infected. Once exposed, symptoms occur around 10-14 days later.

Sources & Citations

8. National Centre for Immunisation Research and Surveillance. Measles vaccines for Australians. Available at: (accessed December 2021).


MAT-AU-2102479  Date of preparation January 2022