(Commentary by Dr. Amy Mathers, infectious disease physician at UVA Health and associate director of clinical microbiology, and Lisa Colosi-Peterson, associate professor of engineering systems and environment) When we first began welcoming students back last fall, none of us really knew what to expect – nor could we anticipate what additional obstacles might remain ahead. But one thing we all learned is how critical flexibility, collaboration, creativity and out-of-the-box solutions are when trying to manage multilayered safety risks. Here in Charlottesville, we took to the sewers. Literally.