Dr. Devinder Singh, a cardiology fellow at Cooper Health in Camden, New Jersey, doesn't typically work in the intensive care unit. But during most of May, that's the place you would have found him: caring for coronavirus patients suffering from breathing difficulties, blood clots, and other complications....

As some states across the country begin loosening restrictions meant to slow the spread of the novel coronavirus, a new interactive online tool from Massachusetts General Hospital allows public health experts and armchair epidemiologists to chart the possible outcomes of different reopening strategies....