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Figure 1. Challenges and solutions involving vaccine-related issues in brazil. Currently, Brazilian problems involving vaccination are diverse, ranging from the drop in vaccine coverage rates and reduced investment in vaccine R&D to limited preparedness to control and prevent emerging infectious diseases (panel A). Solutions to address these problems include greater investment in vaccine R&D, reduction of vaccine hesitancy, and prevention of new infectious disease outbreaks through the One Health perspective (panel B). This figure was created using templates from MapChart (https://mapchart.net/) and Servier Medical Art (https://smart.servier.com/).