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Is measles contagious?

Page last updated 23 March 2020

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

2. World Health Organisation. Measles. Available at (accessed 10 March 2020).

3. Australian Government, Department of Health. The Australian Immunisation Handbook. Measles. Available at: (accessed 10 March 2020).

4. Victoria State Government. Better Health Channel. Measles. Available at: (accessed 10 March 2020).

8. Centers for Disease Control and Prevention. Epidemiology and Prevention of Vaccine-Preventable Diseases. Hamborsky J, Kroger A, Wolfe S, eds. 13th ed. Washington D.C. Public Health Foundation, 2015.

SPANZ.SAPAS.18.04.0133(2)a - Date of preparation March 2020