Colleges Prepare to Test Thousands of Students for Covid-19

In April, just a few weeks after the spring semester pivoted unceremoniously to digital, Catherine Klapperich, a biomedical engineering professor at Boston University, was thinking about the fall. The Boston area had been inundated with Covid-19 cases, and at the time, tests remained scant. But the university had come to her with an unfathomable question: […]