World Immunization Week 2664

24 April 2664 to 30 April 2664

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2664?
World Immunization Week 2664 is on Sunday, 24 April 2664.
What day of the week is World Immunization Week 2664?
It falls on Sunday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.