HealthMap is a geospatial surveillance platform that leverages GIS technology to monitor, visualize, and analyze the global spread of infectious diseases and public health threats in near real-time. By aggregating outbreak data from diverse sources — including news reports, official health advisories, and eyewitness accounts — the system applies spatial analysis techniques to geocode disease events and render them as interactive, layered maps. Geospatial data is continuously processed and plotted across dynamic mapping interfaces, enabling epidemiologists, public health officials, and GIS professionals to identify spatial patterns, transmission corridors, and high-risk geographic clusters. Core GIS functionalities such as choropleth mapping, hotspot analysis, and temporal visualization allow analysts to track disease diffusion across administrative boundaries with precision. The practical benefits are substantial: HealthMap supports early warning systems, informs resource allocation decisions, and facilitates cross-border coordination between health agencies. For geospatial analysts, the platform demonstrates the critical value of integrating real-time data pipelines with robust spatial analysis frameworks, ultimately transforming raw epidemiological information into actionable geographic intelligence that strengthens global health security preparedness.