As MIT continues to consider and refine options for the fall, two questions stand out: how to safely and responsibly welcome people back into the Institute’s physical spaces, and how to ensure the MIT community can excel and thrive during what will likely be an extended and ongoing pandemic. While several groups work to answer those questions, MIT has also begun to collect data to inform a return to campus. A residence hall study launched earlier this spring has helped MIT researchers understand the prevalence of Covid-19 on campus. And…