Here's some COVID-19 Contact Tracing visualizations I made, in collaboration with epidemiologist Marcel Salathé! Read his Twitter thread on this. And/or my thread.

All pix are CC Zero / public domain – remix & reuse freely! (right click & save)

(Here's the first image split into a picture set of two, for easier social media sharing:)

Special thanks to my supporters on Patreon who are keeping me afloat while the economy takes a swan dive into a garbage can 💖 No seriously, I'd be dead.