The Global COVID-19 Tracker serves as a critical tool for understanding the pandemic's trajectory and government responses, but its reliance on shifting data sources and the cessation of policy tracking raise questions about the sustainability of such monitoring systems. The transition from JHU to WHO data reflects the natural evolution of data stewardship, but it also highlights the fragility of long-term data continuity. The tracker’s decision to limit displayed data to 200 days, while practic...