World Immunization Week – celebrated in the last week of April – aims to promote the use of vaccines to protect people of all ages against disease. Immunization saves millions of lives and is widely recognized as one of the world’s most successful and cost-effective health interventions.

Second year of a multi-year campaign

This will be the second year of the Close the Immunization Gap campaign, which celebrates the enormous successes to date in reaching children all over the world with life-saving vaccines while also stressing the challenges we still face.

The 2016 campaign additionally stresses the need for immunization among adolescents and adults - throughout life. And seeks to draw the world’s attention to the critical importance of reaching vulnerable people living in conflict situations or in the wake of emergencies.

World Immunization Week 2016: Close the immunization gap, 24-30 April 2016