{"version":"1.0","type":"rich","title":"Virus chloropleth","description":"This choropleth maps West Nile virus and Zika virus infections across U.S. states, letting users toggle between datasets for 2015 and 2016 via buttons. State polygons are colored on a sequential scale based on total cases, with hover tooltips displaying the exact counts. The map uses D3 v3 and SVG rendering, with a legend for reading infection levels. Data was sourced from public health records and adapted from prior D3 choropleth examples.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"<iframe src=\"https://next.vizhub.com/viz/gist-aad939a6c83774a12f4610ec3fb1b696?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"1\"></iframe>","width":960,"height":500,"cache_age":3600}