The journal Vaccine published a special supplement on the Decade of Vaccines Global Vaccine Action Plan (GVAP) that features articles by PATH contributors and others on the GVAP strategic objectives and the opportunities and challenges associated with its implementation. The 27 articles cover a range of related topics, including vaccine development, financing, access, delivery, and health impact. More than 100 authors contributed to the supplement representing a variety of international and developing-country stakeholders, from civil society and academia to vaccine manufacturers and policymakers.