Here's another data point, and a strange one: 397 homeless people staying at one shelter in Boston tested, 146 (36%) positive, all positives asymptomatic. I don't even know what to make of that. My first thought was systematic testing error.
https://www.wbur.org/commonhealth/2020/0...ss-testing
https://www.wbur.org/commonhealth/2020/0...ss-testing
