World Immunization Week 2771

24 April 2771 to 30 April 2771

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2771?
World Immunization Week 2771 is on Saturday, 24 April 2771.
What day of the week is World Immunization Week 2771?
It falls on Saturday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.