In June 2015, immunization officials from Senegal, Mali and Cameroon came together in Dakar, Senegal, to discuss expenditure tracking mechanisms used by countries to improve budget accountability for immunization.

Today, Health Affairs released its February 2016 issue, focusing on the complex series of events leading to the development, purchase and eventual delivery of vaccines.

The Strategic Advisory Group of Experts on Immunization (SAGE) has released its 2015 report assessing progress on immunization around the world.

As countries around the world expand their immunization programs to reach more children and to incorporate new and under-utilized vaccines, high implementation costs often exceed public immunization budgets.