{"version":"1.0","type":"rich","title":"Covid","description":"This visualization plots cumulative confirmed COVID-19 cases from a Johns Hopkins time-series dataset as orange circles on a world map. Each circle’s radius encodes the case count for March 25, 2020, using a square-root scale. The map is drawn with `d3.geoMercator` projections and TopoJSON country features, while the data is loaded via `d3.csv` and rendered as SVG circles via `d3.scaleSqrt`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a79a7ffcdbf740ea9d45de6c9988d71f?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}