Spiral graph to show Covid-19 cases

<img width=“750” height=“797” src=“https://flowingdata.com/wp-content/uploads/2022/01/spiral-graph-750x797.png" class=“attachment-medium size-medium wp-post-image” alt=“” loading=“lazy” srcset=“https://flowingdata.com/wp-content/uploads/2022/01/spiral-graph-750x797.png 750w, https://flowingdata.com/wp-content/uploads/2022/01/spiral-graph-1090x1158.png 1090w, https://flowingdata.com/wp-content/uploads/2022/01/spiral-graph-210x223.png 210w, https://flowingdata.com/wp-content/uploads/2022/01/spiral-graph-768x816. …