https://www.msn.com/en-us/news/us/worst-case-scenarios-at-sturgis-rally-could-link-event-to-266-000-coronavirus-cases-study-says/ar-BB18PPpI?ocid=msedgntp
"The San Diego State University researchers noted that although restrictions on large-scale gatherings are “ubiquitous,” there has been “little empirical evidence on the contagion dangers.” They previously analyzed the effects of Black Lives Matter protests and President Trump’s Tulsa rally. Neither caused significant increased spread of the virus, they concluded, possibly because those events were offset by increases in other residents staying home."
