World Immunization Week 2631

24 April 2631 to 30 April 2631

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2631?
World Immunization Week 2631 is on Sunday, 24 April 2631.
What day of the week is World Immunization Week 2631?
It falls on Sunday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.