{"version":"1.0","type":"rich","title":"Simulated COVID maps in the US and Canada","description":"This interactive map simulates COVID-19 infection rates across the US and Canada. Users toggle between provinces and census divisions in Canada, and states and counties in the US, as well as between proportional and classed circle scaling. The visualization uses D3 v5 with a stereographic projection (`d3.geoStereographic`) and `d3.geoPath` to render the base GeoJSON polygons. Circles representing fake infections are sized using `d3.scaleSqrt` or `d3.scaleThreshold`, drawing on population data from the 2016 Canadian census and 2019 US county estimates.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/fbb34859ee724a2ab20b5aca60f69fb5?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}