A new open-access tool called the Immunization Financing Resource Guide provides practical advice for advocates, policymakers and program managers in low- and middle-income countries. The guide includes 26 issue briefs and eight country cases studies, focused on the pros and cons of potential sources of ﬁnancing, how to build broad political support for immunization programs, and how to make limited funds work harder. The guide was produced by Results for Development and will be launched online on February 21st. To access the resource guide online please visit www.immunizationﬁnancing.org. A French translation of the guide will be available mid-2017.