World Immunization Week 2501

24 April 2501 to 30 April 2501

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2501?
World Immunization Week 2501 is on Sunday, 24 April 2501.
What day of the week is World Immunization Week 2501?
It falls on Sunday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.