World Immunization Week 2591

24 April 2591 to 30 April 2591

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2591?
World Immunization Week 2591 is on Sunday, 24 April 2591.
What day of the week is World Immunization Week 2591?
It falls on Sunday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.