World Immunization Week 2557

24 April 2557 to 30 April 2557

World Immunization Week promotes the protection offered by vaccines.

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Frequently asked questions

When is World Immunization Week 2557?
World Immunization Week 2557 is on Sunday, 24 April 2557.
What day of the week is World Immunization Week 2557?
It falls on Sunday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.