1/3 of 200 blood samples in Chelsea show exposure to coronavirus

Article from Boston Globe: Not scientific study but 30% of these seemingly healthy people out in the streets in Chelsea showed antibodies for the virus. Not sure how representative sample is. This could be viewed as bad or good news — bad because the more asymptomatic infected out there the more careful we need to be about spread, but maybe good because if more people have been exposed than we thought, if immune this could naturally decrease viral spread in communities with higher exposure closer to this “herd immunity”