A web-based, biometric-linked vaccination record, cell-phone reminder and compliance-linked incentive software platform to provide robust and universal access of vaccinations. The investigators will implement this platform in a low-resource settings with the following features: a) Web-based for robust and universal access. b) Biometric-linked for positive identification. c) Digital storage and reporting for transparent view of program operations. d) GPS-linked, allowing rapid assessment of vaccination status of communities. e) Increasing vaccination uptake and coverage by automated text message reminders and compliance-linked incentives.