There were some rather convincing case studies even early in the pandemic -- for instance, one news story from March 2020 identified a choir rehearsal as a supe

There were some rather convincing case studies even early in the pandemic -- for instance, one news story from March 2020 identified a choir rehearsal as a superspreader event: https://www.latimes.com/world-nation/story/2020-03-29/coronavirus-choir-outbreak https://www.latimes.com/world-nation/story/2020-03-29/corona...