COVID should spur needed cultural and policy changes on public health

Common-sense steps we should have taken years ago are becoming evident as we enter our fifth month of response to the global coronavirus health crisis.
For years, we saw photos and videos of people in China and Japan wearing masks in public, and many of us just filed that away as a cultural difference. No, it was a common-sense health step that Americans would have done well to emulate.
Before the recent crisis, we often encountered someone sneezing on a bus or airplane, often right next to us,