This bubble chart visualizes the prevalence of AIDS in six African countries, plotting the number of individuals living with the disease on the y-axis against the year on the x-axis. The bubble size encodes the number of new diagnoses, while color distinguishes countries. The visualization uses D3.js v7 with SVG rendering and d3.csv for data loading, d3.scaleLinear for scales, and custom legends for size and color. It includes axes with formatted tick labels and a title, requiring side scrolling due to the chart's dimensions.