Bibliographical noteFunding Information:
The authors gratefully acknowledge the numerous individuals who generously shared their time and expertise to inform the case studies: Dr K O Antwi-Agyei and A Hodgson, Ghana Health Services; Edward Adimazoya and Francis Yeji, Mobile Technology for Community Health; Allison Stone, Columbia University; Dr Stephen Okoboi, The AIDS Support Organisation-Uganda; Dr Ezekiel Mupere, Makerere University; Eric Wobudeya, Makerere University-Johns Hopkins University Research Collaboration; Meg Osler, University of Cape Town; Catherine White, Clinton Health Access Initiative; Barbara Franken, Right to Care; Theunis Hurter, Anova Health Institute; Jenny Sequeira, John Snow, INC-Ethiopia; and Molly Abbruzzese and Tim Wood, Bill & Melinda Gates Foundation. This project would not have been possible without their insight. The authors also thank colleagues on the Vaccine Delivery Team at the Bill & Melinda Gates Foundation for their guidance and support throughout the project. The opinions, findings, conclusions, and recommendations expressed in this commentary are those of the authors and do not necessarily reflect the views of key informants, thought partners, or reviewers This work was funded by the Bill & Melinda Gates Foundation (BMGF) through a contract with the University of Washington Strategic Analysis, Research and Training (START) Center. SSG and TKR are employed by BMGF. EWW was previously an employee of Volt Workforce Solutions on assignment at the BMGF. GAMT was supported in part by the National Institute of Environmental Health Sciences of the National Institutes of Health under award number T32ES015459.