This map visualization displays the total confirmed COVID-19 cases per country as of May 16, 2020, using red circles sized proportionally to case counts overlaid on a world map. The geographic boundaries are drawn using `d3.geoPath` with a `geoNaturalEarth1` projection, while circle radii are scaled with `d3.scaleSqrt`. Data comes from a CSV file of country-level COVID-19 statistics, joined to the world-atlas TopoJSON, and is processed via custom `loadAndProcessData` functions. A size legend and color legend are rendered using SVG.