World Immunization Week 2012

World Immunization Week promotes the protection offered by vaccines.

Frequently asked questions

When is World Immunization Week 2012?

World Immunization Week 2012 is on Tuesday, 24 April 2012.

What day of the week is World Immunization Week 2012?

It falls on Tuesday.

How is World Immunization Week calculated?

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