Just saw this in the news: https://thehill.com/homenews/state-watch/515453-sturgis-motorcycle-rally-w

[Ruowei_Yang_UM_Baltimore (Ruowei Yang (University of Maryland Baltimore))]

Just saw this in the news: https://thehill.com/homenews/state-watch/515453-sturgis-motorcycle-rally-was-superspreading-event-that-cost-public and the paper (using SafeGraph data) is here: http://ftp.iza.org/dp13670.pdf