I agree with everything you are saying. This does look like good news. However, we should remember that this is probably a mild overestimate, as the study popu

I agree with everything you are saying. This does look like good news. However, we should remember that this is probably a mild overestimate, as the study population was assembled from those who were out and about (shopping at the grocery store, etc). People who are more strictly staying home -- and thus less likely to have been infected -- wouldn't be included in the survey.