World Immunization Week 2803

24 April 2803 to 30 April 2803

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2803?
World Immunization Week 2803 is on Thursday, 24 April 2803.
What day of the week is World Immunization Week 2803?
It falls on Thursday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.