> point is we don't necessarily have great data on which precautions work better than others We actually do, though, and it's preventing close contact of non-

> point is we don't necessarily have great data on which precautions work better than others We actually do, though, and it's preventing close contact of non-household members and preventing sharing enclosed spaces with non-household members for long periods of time. People spread the virus before they even know they're sick, and a subset of sick people either need to go to work despite being sick, or they just don't care.