The pandemic has forced us to rethink countless aspects of our lives, including the buildings we spend our days inhabiting. Social distancing requirements and efforts to reduce virus transmission in indoor environments demand that “healthy buildings” be a top priority for the real estate industry. But what constitutes a healthy building, and what are the differences between various building types? And what is the best way to quantify, track and compare the relative health of buildings? Offices spaces, hotels and even residential properties will want to find ways to differentiate themselves and quickly communicate their health and safety attributes to their respective occupants and consumers.