While much progress has been made globally in reaching the public with immunizations, one in five children across the world still do not have access to routine immunizations.

It takes more than a vaccine to make a successful immunization program. This World Immunization Week, we are taking a look at some of the factors that contribute to effective immunization programs.

Photo: Sabin CEO Michael W. Marine, Ambassador (Ret.), with Former President of Ghana, John Kufuor

Immunization programs all over the world face tight budgets and limited resources. This means that immunization managers, who are responsible for managing and integrating all elements of the program, don’t always get the necessary training and professional support.