World Immunization Week 2019

World Immunization Week promotes the protection offered by vaccines.

Frequently asked questions

When is World Immunization Week 2019?

World Immunization Week 2019 is on Wednesday, 24 April 2019.

What day of the week is World Immunization Week 2019?

It falls on Wednesday.

How is World Immunization Week calculated?

This observance runs for 7 days from its calculated start date each year.