Chronicle of Higher Education – “When colleges shifted operations online in the spring because of Covid-19, so much remained in question. How did the new coronavirus spread? What were its ill effects? Could colleges open for in-person instruction in the 2020-21 academic year, and what would happen if they did? As the fall term comes to a close, we now have some hard-earned answers. These five lessons may shape institutions’ responses both to the coming spring semester and to pandemics and other public-health threats in the future…”