{"version":"1.0","type":"rich","title":"COVID-19 Total Cases Over Time","description":"This visualization displays the progression of COVID-19 total cases over time as a line chart with hover-based tooltips showing exact date and case counts. It loads data from a remote CSV via d3.csv and renders an SVG line using d3.line with linear and time scales. The chart includes axes from d3.axisBottom and d3.axisLeft, and interactive mouseover/mousemove handlers using d3.pointer and d3.bisector for nearest-point detection. The tooltip, styled as a separate HTML element, updates its position and text dynamically.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/8c80bc3382d44d1daf0fd36072e4e5aa?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}