Thirdly, this is an important public health measure. COVID-19 for most of us in our lifetimes has been the first kind of pandemic that we have to deal with at a scale like we have had to deal with, but it is potentially not the last one that we will have to deal with, and we just have to make sure that—whether it's in a pandemic like COVID-19, whether it's during seasonal influenza, or it's one of those other bugs that people pick up—we don't spread it around our workplaces and around our communities.