World Immunization Week 2855

24 April 2855 to 30 April 2855

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2855?
World Immunization Week 2855 is on Saturday, 24 April 2855.
What day of the week is World Immunization Week 2855?
It falls on Saturday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.