World Immunization Week 2666

24 April 2666 to 30 April 2666

World Immunization Week promotes the protection offered by vaccines.

Add to your calendar

Download an iCalendar file for World Immunization Week and add it to your calendar app.

Add to calendar

Frequently asked questions

When is World Immunization Week 2666?
World Immunization Week 2666 is on Tuesday, 24 April 2666.
What day of the week is World Immunization Week 2666?
It falls on Tuesday.
How is World Immunization Week calculated?
This observance runs for 7 days from its calculated start date each year.