{"version":"1.0","type":"rich","title":"ILINet Flu Surveillance Data","description":"The visualization displays weekly influenza-like illness (ILI) totals across US regions from 2015 to 2019, with each year rendered as a colored line and point size encoding the same year. It uses the vega-lite-api to build a layered mark specification, with d3’s `csv` function fetching the raw CDC FluView data from a Gist. The chart is rendered via vega-lite and vega, with tooltips provided by vega-tooltip and visual styling customized through a shared config object.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/fa6ba09a480747e799830a86e4d9c432?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}