From a Biogen conference to a homeless shelter: Researchers track coronavirus infections from 'superspreader' events - USA TODAY

New genetic research reveals how COVID-19 multiplied in Massachusetts. It could help public officials understand which activities aren't safe. https://www.usatoday.com/story/news/2020/08/26/how-superspreader-events-biogen-conference-incubated-coronavirus-research/3437458001/