Masking Is Not Just a Matter of If, but What Kind and When

Mask-wearing is critical. Here’s how to sustain it.

We are making headway (maskway?) here in the United States, with more consensus that masks are key. Collectively, we can drive transmission down big time by wearing them. But if we accept that the average person—talking about myself here—can’t wear a mask 24/7, then we need to…