World Immunization Week 2491

24 April 2491 to 30 April 2491

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2491?
World Immunization Week 2491 is on Tuesday, 24 April 2491.
What day of the week is World Immunization Week 2491?
It falls on Tuesday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.