Openly flaunting common sense safety measures such as wearing masks caused outbreak at the Rose Garden event on Sep 28, 2020. The data for this visualization is sourced from https://en.wikipedia.org/wiki/White_House_COVID-19_outbreak

Source 2: Dr. Eric Feigl-Ding: https://twitter.com/DrEricDing/status/1313509185297035265?s=20